Home / 28,082,882.30-42,124,323.45-15,947,656.70

Finding the Fourth Proportional to 28,082,882.30, 42,124,323.45 and 15,947,656.70

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Solution

The fourth proportional to 28,082,882.30, 42,124,323.45 and 15,947,656.70 is: 23,921,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,882.30 : 42,124,323.45 = 15,947,656.70 : x
  2. Step 2: Convert to fraction form
    28,082,882.30/42,124,323.45 = 15,947,656.70/x
  3. Step 3: Cross multiply
    28,082,882.30x = 42,124,323.45 × 15,947,656.70
  4. Step 4: Simplify right side
    28,082,882.30x = 671,784,249,100,359.62
  5. Step 5: Solve for x
    x = 671,784,249,100,359.62/28,082,882.30
  6. Step 6: Final answer
    x = 23,921,485.05

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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.