Home / 8,258,390.10-12,387,585.15-5,388,608.70

Finding the Fourth Proportional to 8,258,390.10, 12,387,585.15 and 5,388,608.70

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Solution

The fourth proportional to 8,258,390.10, 12,387,585.15 and 5,388,608.70 is: 8,082,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,390.10 : 12,387,585.15 = 5,388,608.70 : x
  2. Step 2: Convert to fraction form
    8,258,390.10/12,387,585.15 = 5,388,608.70/x
  3. Step 3: Cross multiply
    8,258,390.10x = 12,387,585.15 × 5,388,608.70
  4. Step 4: Simplify right side
    8,258,390.10x = 66,751,849,111,280.81
  5. Step 5: Solve for x
    x = 66,751,849,111,280.81/8,258,390.10
  6. Step 6: Final answer
    x = 8,082,913.05

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Similar ratio
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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.