Home / 12,438,012.62-17,164,473.90-6,931,266.68

Finding the Fourth Proportional to 12,438,012.62, 17,164,473.90 and 6,931,266.68

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Solution

The fourth proportional to 12,438,012.62, 17,164,473.90 and 6,931,266.68 is: 9,565,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,012.62 : 17,164,473.90 = 6,931,266.68 : x
  2. Step 2: Convert to fraction form
    12,438,012.62/17,164,473.90 = 6,931,266.68/x
  3. Step 3: Cross multiply
    12,438,012.62x = 17,164,473.90 × 6,931,266.68
  4. Step 4: Simplify right side
    12,438,012.62x = 118,971,546,022,799.64
  5. Step 5: Solve for x
    x = 118,971,546,022,799.64/12,438,012.62
  6. Step 6: Final answer
    x = 9,565,157.20

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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.