Home / 52,011,428.11-78,028,322.99-15,123,959.15

Finding the Fourth Proportional to 52,011,428.11, 78,028,322.99 and 15,123,959.15

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Solution

The fourth proportional to 52,011,428.11, 78,028,322.99 and 15,123,959.15 is: 22,689,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011,428.11 : 78,028,322.99 = 15,123,959.15 : x
  2. Step 2: Convert to fraction form
    52,011,428.11/78,028,322.99 = 15,123,959.15/x
  3. Step 3: Cross multiply
    52,011,428.11x = 78,028,322.99 × 15,123,959.15
  4. Step 4: Simplify right side
    52,011,428.11x = 1,180,097,168,978,004.50
  5. Step 5: Solve for x
    x = 1,180,097,168,978,004.50/52,011,428.11
  6. Step 6: Final answer
    x = 22,689,189.89

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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.