Home / 12,948,829.60-19,423,244.40-5,381,226.40

Finding the Fourth Proportional to 12,948,829.60, 19,423,244.40 and 5,381,226.40

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Solution

The fourth proportional to 12,948,829.60, 19,423,244.40 and 5,381,226.40 is: 8,071,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,829.60 : 19,423,244.40 = 5,381,226.40 : x
  2. Step 2: Convert to fraction form
    12,948,829.60/19,423,244.40 = 5,381,226.40/x
  3. Step 3: Cross multiply
    12,948,829.60x = 19,423,244.40 × 5,381,226.40
  4. Step 4: Simplify right side
    12,948,829.60x = 104,520,875,538,932.16
  5. Step 5: Solve for x
    x = 104,520,875,538,932.16/12,948,829.60
  6. Step 6: Final answer
    x = 8,071,839.60

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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.