Home / 28,188,082.10-42,282,123.15-19,685,026.10

Finding the Fourth Proportional to 28,188,082.10, 42,282,123.15 and 19,685,026.10

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Solution

The fourth proportional to 28,188,082.10, 42,282,123.15 and 19,685,026.10 is: 29,527,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,082.10 : 42,282,123.15 = 19,685,026.10 : x
  2. Step 2: Convert to fraction form
    28,188,082.10/42,282,123.15 = 19,685,026.10/x
  3. Step 3: Cross multiply
    28,188,082.10x = 42,282,123.15 × 19,685,026.10
  4. Step 4: Simplify right side
    28,188,082.10x = 832,324,697,771,164.25
  5. Step 5: Solve for x
    x = 832,324,697,771,164.25/28,188,082.10
  6. Step 6: Final answer
    x = 29,527,539.15

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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.