Home / 27,221,411.70-40,832,117.55-20,418,966.90

Finding the Fourth Proportional to 27,221,411.70, 40,832,117.55 and 20,418,966.90

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Solution

The fourth proportional to 27,221,411.70, 40,832,117.55 and 20,418,966.90 is: 30,628,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221,411.70 : 40,832,117.55 = 20,418,966.90 : x
  2. Step 2: Convert to fraction form
    27,221,411.70/40,832,117.55 = 20,418,966.90/x
  3. Step 3: Cross multiply
    27,221,411.70x = 40,832,117.55 × 20,418,966.90
  4. Step 4: Simplify right side
    27,221,411.70x = 833,749,656,710,359
  5. Step 5: Solve for x
    x = 833,749,656,710,359/27,221,411.70
  6. Step 6: Final answer
    x = 30,628,450.35

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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.