Home / 12,232,859.40-18,333,542.70-7,435,456.20

Finding the Fourth Proportional to 12,232,859.40, 18,333,542.70 and 7,435,456.20

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Solution

The fourth proportional to 12,232,859.40, 18,333,542.70 and 7,435,456.20 is: 11,143,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,859.40 : 18,333,542.70 = 7,435,456.20 : x
  2. Step 2: Convert to fraction form
    12,232,859.40/18,333,542.70 = 7,435,456.20/x
  3. Step 3: Cross multiply
    12,232,859.40x = 18,333,542.70 × 7,435,456.20
  4. Step 4: Simplify right side
    12,232,859.40x = 136,318,253,736,679.73
  5. Step 5: Solve for x
    x = 136,318,253,736,679.73/12,232,859.40
  6. Step 6: Final answer
    x = 11,143,613.22

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1.5x scale

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.