Home / 19,681,808.40-29,522,712.60-6,916,726.80

Finding the Fourth Proportional to 19,681,808.40, 29,522,712.60 and 6,916,726.80

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Solution

The fourth proportional to 19,681,808.40, 29,522,712.60 and 6,916,726.80 is: 10,375,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,808.40 : 29,522,712.60 = 6,916,726.80 : x
  2. Step 2: Convert to fraction form
    19,681,808.40/29,522,712.60 = 6,916,726.80/x
  3. Step 3: Cross multiply
    19,681,808.40x = 29,522,712.60 × 6,916,726.80
  4. Step 4: Simplify right side
    19,681,808.40x = 204,200,537,449,117.69
  5. Step 5: Solve for x
    x = 204,200,537,449,117.69/19,681,808.40
  6. Step 6: Final answer
    x = 10,375,090.20

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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.