Home / 18,539,722.80-27,828,246.60-8,962,801.20

Finding the Fourth Proportional to 18,539,722.80, 27,828,246.60 and 8,962,801.20

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Solution

The fourth proportional to 18,539,722.80, 27,828,246.60 and 8,962,801.20 is: 13,453,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539,722.80 : 27,828,246.60 = 8,962,801.20 : x
  2. Step 2: Convert to fraction form
    18,539,722.80/27,828,246.60 = 8,962,801.20/x
  3. Step 3: Cross multiply
    18,539,722.80x = 27,828,246.60 × 8,962,801.20
  4. Step 4: Simplify right side
    18,539,722.80x = 249,419,042,020,375.91
  5. Step 5: Solve for x
    x = 249,419,042,020,375.91/18,539,722.80
  6. Step 6: Final answer
    x = 13,453,223.91

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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.