Home / 28,236,364.76-38,966,183.82-16,013,221.76

Finding the Fourth Proportional to 28,236,364.76, 38,966,183.82 and 16,013,221.76

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Solution

The fourth proportional to 28,236,364.76, 38,966,183.82 and 16,013,221.76 is: 22,098,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,364.76 : 38,966,183.82 = 16,013,221.76 : x
  2. Step 2: Convert to fraction form
    28,236,364.76/38,966,183.82 = 16,013,221.76/x
  3. Step 3: Cross multiply
    28,236,364.76x = 38,966,183.82 × 16,013,221.76
  4. Step 4: Simplify right side
    28,236,364.76x = 623,974,142,650,583.88
  5. Step 5: Solve for x
    x = 623,974,142,650,583.88/28,236,364.76
  6. Step 6: Final answer
    x = 22,098,246.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.