Home / 20,392,562.61-28,142,356.23-14,442,628.86

Finding the Fourth Proportional to 20,392,562.61, 28,142,356.23 and 14,442,628.86

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Solution

The fourth proportional to 20,392,562.61, 28,142,356.23 and 14,442,628.86 is: 19,931,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,562.61 : 28,142,356.23 = 14,442,628.86 : x
  2. Step 2: Convert to fraction form
    20,392,562.61/28,142,356.23 = 14,442,628.86/x
  3. Step 3: Cross multiply
    20,392,562.61x = 28,142,356.23 × 14,442,628.86
  4. Step 4: Simplify right side
    20,392,562.61x = 406,449,606,275,798.81
  5. Step 5: Solve for x
    x = 406,449,606,275,798.81/20,392,562.61
  6. Step 6: Final answer
    x = 19,931,266.81

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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.