Home / 5,615,105.10-8,422,657.65-4,288,001.10

Finding the Fourth Proportional to 5,615,105.10, 8,422,657.65 and 4,288,001.10

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Solution

The fourth proportional to 5,615,105.10, 8,422,657.65 and 4,288,001.10 is: 6,432,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,105.10 : 8,422,657.65 = 4,288,001.10 : x
  2. Step 2: Convert to fraction form
    5,615,105.10/8,422,657.65 = 4,288,001.10/x
  3. Step 3: Cross multiply
    5,615,105.10x = 8,422,657.65 × 4,288,001.10
  4. Step 4: Simplify right side
    5,615,105.10x = 36,116,365,268,123.41
  5. Step 5: Solve for x
    x = 36,116,365,268,123.41/5,615,105.10
  6. Step 6: Final answer
    x = 6,432,001.65

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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.