Home / 13,852,812.60-20,779,218.90-3,755,433.60

Finding the Fourth Proportional to 13,852,812.60, 20,779,218.90 and 3,755,433.60

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Solution

The fourth proportional to 13,852,812.60, 20,779,218.90 and 3,755,433.60 is: 5,633,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,812.60 : 20,779,218.90 = 3,755,433.60 : x
  2. Step 2: Convert to fraction form
    13,852,812.60/20,779,218.90 = 3,755,433.60/x
  3. Step 3: Cross multiply
    13,852,812.60x = 20,779,218.90 × 3,755,433.60
  4. Step 4: Simplify right side
    13,852,812.60x = 78,034,976,838,815.03
  5. Step 5: Solve for x
    x = 78,034,976,838,815.03/13,852,812.60
  6. Step 6: Final answer
    x = 5,633,150.40

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Double scale
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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.