Home / 12,475,998.90-18,713,998.35-7,101,227.70

Finding the Fourth Proportional to 12,475,998.90, 18,713,998.35 and 7,101,227.70

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Solution

The fourth proportional to 12,475,998.90, 18,713,998.35 and 7,101,227.70 is: 10,651,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,998.90 : 18,713,998.35 = 7,101,227.70 : x
  2. Step 2: Convert to fraction form
    12,475,998.90/18,713,998.35 = 7,101,227.70/x
  3. Step 3: Cross multiply
    12,475,998.90x = 18,713,998.35 × 7,101,227.70
  4. Step 4: Simplify right side
    12,475,998.90x = 132,892,363,460,774.31
  5. Step 5: Solve for x
    x = 132,892,363,460,774.31/12,475,998.90
  6. Step 6: Final answer
    x = 10,651,841.55

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Similar ratio
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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.