Home / 28,000,908-38,641,278.96-15,123,852

Finding the Fourth Proportional to 28,000,908, 38,641,278.96 and 15,123,852

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Solution

The fourth proportional to 28,000,908, 38,641,278.96 and 15,123,852 is: 20,870,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,908 : 38,641,278.96 = 15,123,852 : x
  2. Step 2: Convert to fraction form
    28,000,908/38,641,278.96 = 15,123,852/x
  3. Step 3: Cross multiply
    28,000,908x = 38,641,278.96 × 15,123,852
  4. Step 4: Simplify right side
    28,000,908x = 584,404,984,081,753.88
  5. Step 5: Solve for x
    x = 584,404,984,081,753.88/28,000,908
  6. Step 6: Final answer
    x = 20,870,929.76

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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.