Home / 30,581,609.70-45,872,414.55-16,976,720.10

Finding the Fourth Proportional to 30,581,609.70, 45,872,414.55 and 16,976,720.10

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Solution

The fourth proportional to 30,581,609.70, 45,872,414.55 and 16,976,720.10 is: 25,465,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,609.70 : 45,872,414.55 = 16,976,720.10 : x
  2. Step 2: Convert to fraction form
    30,581,609.70/45,872,414.55 = 16,976,720.10/x
  3. Step 3: Cross multiply
    30,581,609.70x = 45,872,414.55 × 16,976,720.10
  4. Step 4: Simplify right side
    30,581,609.70x = 778,763,142,126,517.50
  5. Step 5: Solve for x
    x = 778,763,142,126,517.50/30,581,609.70
  6. Step 6: Final answer
    x = 25,465,080.15

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Double scale
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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.