Home / 20,123,564.28-27,769,117.86-11,421,914.10

Finding the Fourth Proportional to 20,123,564.28, 27,769,117.86 and 11,421,914.10

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Solution

The fourth proportional to 20,123,564.28, 27,769,117.86 and 11,421,914.10 is: 15,761,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,564.28 : 27,769,117.86 = 11,421,914.10 : x
  2. Step 2: Convert to fraction form
    20,123,564.28/27,769,117.86 = 11,421,914.10/x
  3. Step 3: Cross multiply
    20,123,564.28x = 27,769,117.86 × 11,421,914.10
  4. Step 4: Simplify right side
    20,123,564.28x = 317,176,478,829,695.81
  5. Step 5: Solve for x
    x = 317,176,478,829,695.81/20,123,564.28
  6. Step 6: Final answer
    x = 15,761,446.35

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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.