Home / 12,577,030.60-18,822,000.30-7,531,961.80

Finding the Fourth Proportional to 12,577,030.60, 18,822,000.30 and 7,531,961.80

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Solution

The fourth proportional to 12,577,030.60, 18,822,000.30 and 7,531,961.80 is: 11,271,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,030.60 : 18,822,000.30 = 7,531,961.80 : x
  2. Step 2: Convert to fraction form
    12,577,030.60/18,822,000.30 = 7,531,961.80/x
  3. Step 3: Cross multiply
    12,577,030.60x = 18,822,000.30 × 7,531,961.80
  4. Step 4: Simplify right side
    12,577,030.60x = 141,766,587,259,188.53
  5. Step 5: Solve for x
    x = 141,766,587,259,188.53/12,577,030.60
  6. Step 6: Final answer
    x = 11,271,864.70

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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.