Home / 9,872,420.60-14,808,630.90-8,990,622.20

Finding the Fourth Proportional to 9,872,420.60, 14,808,630.90 and 8,990,622.20

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Solution

The fourth proportional to 9,872,420.60, 14,808,630.90 and 8,990,622.20 is: 13,485,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,420.60 : 14,808,630.90 = 8,990,622.20 : x
  2. Step 2: Convert to fraction form
    9,872,420.60/14,808,630.90 = 8,990,622.20/x
  3. Step 3: Cross multiply
    9,872,420.60x = 14,808,630.90 × 8,990,622.20
  4. Step 4: Simplify right side
    9,872,420.60x = 133,138,805,721,145.97
  5. Step 5: Solve for x
    x = 133,138,805,721,145.97/9,872,420.60
  6. Step 6: Final answer
    x = 13,485,933.30

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Similar ratio
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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.