Home / 20,541,609.60-30,812,414.40-14,569,641.60

Finding the Fourth Proportional to 20,541,609.60, 30,812,414.40 and 14,569,641.60

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Solution

The fourth proportional to 20,541,609.60, 30,812,414.40 and 14,569,641.60 is: 21,854,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,609.60 : 30,812,414.40 = 14,569,641.60 : x
  2. Step 2: Convert to fraction form
    20,541,609.60/30,812,414.40 = 14,569,641.60/x
  3. Step 3: Cross multiply
    20,541,609.60x = 30,812,414.40 × 14,569,641.60
  4. Step 4: Simplify right side
    20,541,609.60x = 448,925,834,638,679
  5. Step 5: Solve for x
    x = 448,925,834,638,679/20,541,609.60
  6. Step 6: Final answer
    x = 21,854,462.40

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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.