Home / 12,096,281.70-18,144,422.55-9,072,972.90

Finding the Fourth Proportional to 12,096,281.70, 18,144,422.55 and 9,072,972.90

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Solution

The fourth proportional to 12,096,281.70, 18,144,422.55 and 9,072,972.90 is: 13,609,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,281.70 : 18,144,422.55 = 9,072,972.90 : x
  2. Step 2: Convert to fraction form
    12,096,281.70/18,144,422.55 = 9,072,972.90/x
  3. Step 3: Cross multiply
    12,096,281.70x = 18,144,422.55 × 9,072,972.90
  4. Step 4: Simplify right side
    12,096,281.70x = 164,623,854,082,298.91
  5. Step 5: Solve for x
    x = 164,623,854,082,298.91/12,096,281.70
  6. Step 6: Final answer
    x = 13,609,459.35

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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.