Home / 20,063,956.89-27,688,423.10-10,896,665.25

Finding the Fourth Proportional to 20,063,956.89, 27,688,423.10 and 10,896,665.25

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Solution

The fourth proportional to 20,063,956.89, 27,688,423.10 and 10,896,665.25 is: 15,037,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,956.89 : 27,688,423.10 = 10,896,665.25 : x
  2. Step 2: Convert to fraction form
    20,063,956.89/27,688,423.10 = 10,896,665.25/x
  3. Step 3: Cross multiply
    20,063,956.89x = 27,688,423.10 × 10,896,665.25
  4. Step 4: Simplify right side
    20,063,956.89x = 301,711,477,766,583.94
  5. Step 5: Solve for x
    x = 301,711,477,766,583.94/20,063,956.89
  6. Step 6: Final answer
    x = 15,037,486.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.