Home / 12,600,103.65-18,886,869.45-4,920,781.20

Finding the Fourth Proportional to 12,600,103.65, 18,886,869.45 and 4,920,781.20

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Solution

The fourth proportional to 12,600,103.65, 18,886,869.45 and 4,920,781.20 is: 7,375,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600,103.65 : 18,886,869.45 = 4,920,781.20 : x
  2. Step 2: Convert to fraction form
    12,600,103.65/18,886,869.45 = 4,920,781.20/x
  3. Step 3: Cross multiply
    12,600,103.65x = 18,886,869.45 × 4,920,781.20
  4. Step 4: Simplify right side
    12,600,103.65x = 92,938,152,116,414.34
  5. Step 5: Solve for x
    x = 92,938,152,116,414.34/12,600,103.65
  6. Step 6: Final answer
    x = 7,375,983.14

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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.