Home / 12,752,807.40-19,129,211.10-12,256,795.80

Finding the Fourth Proportional to 12,752,807.40, 19,129,211.10 and 12,256,795.80

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Solution

The fourth proportional to 12,752,807.40, 19,129,211.10 and 12,256,795.80 is: 18,385,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,807.40 : 19,129,211.10 = 12,256,795.80 : x
  2. Step 2: Convert to fraction form
    12,752,807.40/19,129,211.10 = 12,256,795.80/x
  3. Step 3: Cross multiply
    12,752,807.40x = 19,129,211.10 × 12,256,795.80
  4. Step 4: Simplify right side
    12,752,807.40x = 234,462,834,267,793.41
  5. Step 5: Solve for x
    x = 234,462,834,267,793.41/12,752,807.40
  6. Step 6: Final answer
    x = 18,385,193.70

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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.