Home / 18,574,711.40-27,862,067.10-9,965,367.20

Finding the Fourth Proportional to 18,574,711.40, 27,862,067.10 and 9,965,367.20

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Solution

The fourth proportional to 18,574,711.40, 27,862,067.10 and 9,965,367.20 is: 14,948,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,711.40 : 27,862,067.10 = 9,965,367.20 : x
  2. Step 2: Convert to fraction form
    18,574,711.40/27,862,067.10 = 9,965,367.20/x
  3. Step 3: Cross multiply
    18,574,711.40x = 27,862,067.10 × 9,965,367.20
  4. Step 4: Simplify right side
    18,574,711.40x = 277,655,729,602,539.12
  5. Step 5: Solve for x
    x = 277,655,729,602,539.12/18,574,711.40
  6. Step 6: Final answer
    x = 14,948,050.80

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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.