Home / 12,849,337.70-17,731,766.40-7,342,363.16

Finding the Fourth Proportional to 12,849,337.70, 17,731,766.40 and 7,342,363.16

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Solution

The fourth proportional to 12,849,337.70, 17,731,766.40 and 7,342,363.16 is: 10,132,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,337.70 : 17,731,766.40 = 7,342,363.16 : x
  2. Step 2: Convert to fraction form
    12,849,337.70/17,731,766.40 = 7,342,363.16/x
  3. Step 3: Cross multiply
    12,849,337.70x = 17,731,766.40 × 7,342,363.16
  4. Step 4: Simplify right side
    12,849,337.70x = 130,193,068,377,085.81
  5. Step 5: Solve for x
    x = 130,193,068,377,085.81/12,849,337.70
  6. Step 6: Final answer
    x = 10,132,278.52

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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.