Home / 8,929,716.75-13,390,242.12-5,237,749.10

Finding the Fourth Proportional to 8,929,716.75, 13,390,242.12 and 5,237,749.10

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Solution

The fourth proportional to 8,929,716.75, 13,390,242.12 and 5,237,749.10 is: 7,854,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929,716.75 : 13,390,242.12 = 5,237,749.10 : x
  2. Step 2: Convert to fraction form
    8,929,716.75/13,390,242.12 = 5,237,749.10/x
  3. Step 3: Cross multiply
    8,929,716.75x = 13,390,242.12 × 5,237,749.10
  4. Step 4: Simplify right side
    8,929,716.75x = 70,134,728,646,287.70
  5. Step 5: Solve for x
    x = 70,134,728,646,287.70/8,929,716.75
  6. Step 6: Final answer
    x = 7,854,082.12

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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.