Home / 28,060,603.20-42,069,909.60-15,295,521.60

Finding the Fourth Proportional to 28,060,603.20, 42,069,909.60 and 15,295,521.60

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Solution

The fourth proportional to 28,060,603.20, 42,069,909.60 and 15,295,521.60 is: 22,931,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060,603.20 : 42,069,909.60 = 15,295,521.60 : x
  2. Step 2: Convert to fraction form
    28,060,603.20/42,069,909.60 = 15,295,521.60/x
  3. Step 3: Cross multiply
    28,060,603.20x = 42,069,909.60 × 15,295,521.60
  4. Step 4: Simplify right side
    28,060,603.20x = 643,481,210,996,847.38
  5. Step 5: Solve for x
    x = 643,481,210,996,847.38/28,060,603.20
  6. Step 6: Final answer
    x = 22,931,838.15

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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.