Home / 15,862,798.50-21,890,793.15-8,619,454.50

Finding the Fourth Proportional to 15,862,798.50, 21,890,793.15 and 8,619,454.50

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Solution

The fourth proportional to 15,862,798.50, 21,890,793.15 and 8,619,454.50 is: 11,894,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,798.50 : 21,890,793.15 = 8,619,454.50 : x
  2. Step 2: Convert to fraction form
    15,862,798.50/21,890,793.15 = 8,619,454.50/x
  3. Step 3: Cross multiply
    15,862,798.50x = 21,890,793.15 × 8,619,454.50
  4. Step 4: Simplify right side
    15,862,798.50x = 188,686,695,525,336.66
  5. Step 5: Solve for x
    x = 188,686,695,525,336.66/15,862,798.50
  6. Step 6: Final answer
    x = 11,894,918.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.