Home / 18,288,874.80-27,433,312.20-9,218,948.40

Finding the Fourth Proportional to 18,288,874.80, 27,433,312.20 and 9,218,948.40

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Solution

The fourth proportional to 18,288,874.80, 27,433,312.20 and 9,218,948.40 is: 13,828,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,874.80 : 27,433,312.20 = 9,218,948.40 : x
  2. Step 2: Convert to fraction form
    18,288,874.80/27,433,312.20 = 9,218,948.40/x
  3. Step 3: Cross multiply
    18,288,874.80x = 27,433,312.20 × 9,218,948.40
  4. Step 4: Simplify right side
    18,288,874.80x = 252,906,289,612,890.47
  5. Step 5: Solve for x
    x = 252,906,289,612,890.47/18,288,874.80
  6. Step 6: Final answer
    x = 13,828,422.60

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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.