Home / 28,082,892.30-42,124,338.45-15,947,666.70

Finding the Fourth Proportional to 28,082,892.30, 42,124,338.45 and 15,947,666.70

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Solution

The fourth proportional to 28,082,892.30, 42,124,338.45 and 15,947,666.70 is: 23,921,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,892.30 : 42,124,338.45 = 15,947,666.70 : x
  2. Step 2: Convert to fraction form
    28,082,892.30/42,124,338.45 = 15,947,666.70/x
  3. Step 3: Cross multiply
    28,082,892.30x = 42,124,338.45 × 15,947,666.70
  4. Step 4: Simplify right side
    28,082,892.30x = 671,784,909,558,594.62
  5. Step 5: Solve for x
    x = 671,784,909,558,594.62/28,082,892.30
  6. Step 6: Final answer
    x = 23,921,500.05

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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.