Home / 12,506,200.40-18,746,167.80-7,960,730.96

Finding the Fourth Proportional to 12,506,200.40, 18,746,167.80 and 7,960,730.96

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Solution

The fourth proportional to 12,506,200.40, 18,746,167.80 and 7,960,730.96 is: 11,932,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,200.40 : 18,746,167.80 = 7,960,730.96 : x
  2. Step 2: Convert to fraction form
    12,506,200.40/18,746,167.80 = 7,960,730.96/x
  3. Step 3: Cross multiply
    12,506,200.40x = 18,746,167.80 × 7,960,730.96
  4. Step 4: Simplify right side
    12,506,200.40x = 149,233,198,386,815.09
  5. Step 5: Solve for x
    x = 149,233,198,386,815.09/12,506,200.40
  6. Step 6: Final answer
    x = 11,932,736.85

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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.