Home / 19,584,220.40-29,376,330.60-18,257,116.40

Finding the Fourth Proportional to 19,584,220.40, 29,376,330.60 and 18,257,116.40

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Solution

The fourth proportional to 19,584,220.40, 29,376,330.60 and 18,257,116.40 is: 27,385,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,220.40 : 29,376,330.60 = 18,257,116.40 : x
  2. Step 2: Convert to fraction form
    19,584,220.40/29,376,330.60 = 18,257,116.40/x
  3. Step 3: Cross multiply
    19,584,220.40x = 29,376,330.60 × 18,257,116.40
  4. Step 4: Simplify right side
    19,584,220.40x = 536,327,087,169,081.81
  5. Step 5: Solve for x
    x = 536,327,087,169,081.81/19,584,220.40
  6. Step 6: Final answer
    x = 27,385,674.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.