Home / 21,129,078.60-31,693,617.90-16,340,204.70

Finding the Fourth Proportional to 21,129,078.60, 31,693,617.90 and 16,340,204.70

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Solution

The fourth proportional to 21,129,078.60, 31,693,617.90 and 16,340,204.70 is: 24,510,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,078.60 : 31,693,617.90 = 16,340,204.70 : x
  2. Step 2: Convert to fraction form
    21,129,078.60/31,693,617.90 = 16,340,204.70/x
  3. Step 3: Cross multiply
    21,129,078.60x = 31,693,617.90 × 16,340,204.70
  4. Step 4: Simplify right side
    21,129,078.60x = 517,880,204,169,584.06
  5. Step 5: Solve for x
    x = 517,880,204,169,584.06/21,129,078.60
  6. Step 6: Final answer
    x = 24,510,307.05

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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.