Home / 9,181,821.20-13,772,731.80-8,363,008.40

Finding the Fourth Proportional to 9,181,821.20, 13,772,731.80 and 8,363,008.40

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Solution

The fourth proportional to 9,181,821.20, 13,772,731.80 and 8,363,008.40 is: 12,544,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,821.20 : 13,772,731.80 = 8,363,008.40 : x
  2. Step 2: Convert to fraction form
    9,181,821.20/13,772,731.80 = 8,363,008.40/x
  3. Step 3: Cross multiply
    9,181,821.20x = 13,772,731.80 × 8,363,008.40
  4. Step 4: Simplify right side
    9,181,821.20x = 115,181,471,734,347.12
  5. Step 5: Solve for x
    x = 115,181,471,734,347.12/9,181,821.20
  6. Step 6: Final answer
    x = 12,544,512.60

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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.