Home / 19,440,002.40-29,160,003.60-18,320,258.40

Finding the Fourth Proportional to 19,440,002.40, 29,160,003.60 and 18,320,258.40

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Solution

The fourth proportional to 19,440,002.40, 29,160,003.60 and 18,320,258.40 is: 27,480,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,002.40 : 29,160,003.60 = 18,320,258.40 : x
  2. Step 2: Convert to fraction form
    19,440,002.40/29,160,003.60 = 18,320,258.40/x
  3. Step 3: Cross multiply
    19,440,002.40x = 29,160,003.60 × 18,320,258.40
  4. Step 4: Simplify right side
    19,440,002.40x = 534,218,800,896,930.25
  5. Step 5: Solve for x
    x = 534,218,800,896,930.25/19,440,002.40
  6. Step 6: Final answer
    x = 27,480,387.60

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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.