Home / 8,691,355.59-11,995,555.05-5,019,612.21

Finding the Fourth Proportional to 8,691,355.59, 11,995,555.05 and 5,019,612.21

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Solution

The fourth proportional to 8,691,355.59, 11,995,555.05 and 5,019,612.21 is: 6,927,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,355.59 : 11,995,555.05 = 5,019,612.21 : x
  2. Step 2: Convert to fraction form
    8,691,355.59/11,995,555.05 = 5,019,612.21/x
  3. Step 3: Cross multiply
    8,691,355.59x = 11,995,555.05 × 5,019,612.21
  4. Step 4: Simplify right side
    8,691,355.59x = 60,213,034,594,707.16
  5. Step 5: Solve for x
    x = 60,213,034,594,707.16/8,691,355.59
  6. Step 6: Final answer
    x = 6,927,922.11

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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.