Home / 20,717,548.18-31,016,092.08-12,055,248.60

Finding the Fourth Proportional to 20,717,548.18, 31,016,092.08 and 12,055,248.60

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Solution

The fourth proportional to 20,717,548.18, 31,016,092.08 and 12,055,248.60 is: 18,047,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,548.18 : 31,016,092.08 = 12,055,248.60 : x
  2. Step 2: Convert to fraction form
    20,717,548.18/31,016,092.08 = 12,055,248.60/x
  3. Step 3: Cross multiply
    20,717,548.18x = 31,016,092.08 × 12,055,248.60
  4. Step 4: Simplify right side
    20,717,548.18x = 373,906,700,624,891.06
  5. Step 5: Solve for x
    x = 373,906,700,624,891.06/20,717,548.18
  6. Step 6: Final answer
    x = 18,047,825.80

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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.