Home / 8,971,567.70-13,457,351.55-5,388,386.90

Finding the Fourth Proportional to 8,971,567.70, 13,457,351.55 and 5,388,386.90

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Solution

The fourth proportional to 8,971,567.70, 13,457,351.55 and 5,388,386.90 is: 8,082,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,567.70 : 13,457,351.55 = 5,388,386.90 : x
  2. Step 2: Convert to fraction form
    8,971,567.70/13,457,351.55 = 5,388,386.90/x
  3. Step 3: Cross multiply
    8,971,567.70x = 13,457,351.55 × 5,388,386.90
  4. Step 4: Simplify right side
    8,971,567.70x = 72,513,416,800,714.70
  5. Step 5: Solve for x
    x = 72,513,416,800,714.70/8,971,567.70
  6. Step 6: Final answer
    x = 8,082,580.35

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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.