Home / 15,604,856.40-23,407,284.60-7,642,232.40

Finding the Fourth Proportional to 15,604,856.40, 23,407,284.60 and 7,642,232.40

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Solution

The fourth proportional to 15,604,856.40, 23,407,284.60 and 7,642,232.40 is: 11,463,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,856.40 : 23,407,284.60 = 7,642,232.40 : x
  2. Step 2: Convert to fraction form
    15,604,856.40/23,407,284.60 = 7,642,232.40/x
  3. Step 3: Cross multiply
    15,604,856.40x = 23,407,284.60 × 7,642,232.40
  4. Step 4: Simplify right side
    15,604,856.40x = 178,883,908,766,141.06
  5. Step 5: Solve for x
    x = 178,883,908,766,141.06/15,604,856.40
  6. Step 6: Final answer
    x = 11,463,348.60

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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.