Home / 42,497,339.20-63,746,008.80-13,764,095.80

Finding the Fourth Proportional to 42,497,339.20, 63,746,008.80 and 13,764,095.80

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Solution

The fourth proportional to 42,497,339.20, 63,746,008.80 and 13,764,095.80 is: 20,646,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,339.20 : 63,746,008.80 = 13,764,095.80 : x
  2. Step 2: Convert to fraction form
    42,497,339.20/63,746,008.80 = 13,764,095.80/x
  3. Step 3: Cross multiply
    42,497,339.20x = 63,746,008.80 × 13,764,095.80
  4. Step 4: Simplify right side
    42,497,339.20x = 877,406,171,990,843
  5. Step 5: Solve for x
    x = 877,406,171,990,843/42,497,339.20
  6. Step 6: Final answer
    x = 20,646,143.70

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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.