Home / 20,121,607.30-30,182,410.95-14,494,893.70

Finding the Fourth Proportional to 20,121,607.30, 30,182,410.95 and 14,494,893.70

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Solution

The fourth proportional to 20,121,607.30, 30,182,410.95 and 14,494,893.70 is: 21,742,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,607.30 : 30,182,410.95 = 14,494,893.70 : x
  2. Step 2: Convert to fraction form
    20,121,607.30/30,182,410.95 = 14,494,893.70/x
  3. Step 3: Cross multiply
    20,121,607.30x = 30,182,410.95 × 14,494,893.70
  4. Step 4: Simplify right side
    20,121,607.30x = 437,490,838,329,966
  5. Step 5: Solve for x
    x = 437,490,838,329,966/20,121,607.30
  6. Step 6: Final answer
    x = 21,742,340.55

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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.