Home / 10,791,930.40-16,187,895.60-9,970,784.80

Finding the Fourth Proportional to 10,791,930.40, 16,187,895.60 and 9,970,784.80

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Solution

The fourth proportional to 10,791,930.40, 16,187,895.60 and 9,970,784.80 is: 14,956,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,930.40 : 16,187,895.60 = 9,970,784.80 : x
  2. Step 2: Convert to fraction form
    10,791,930.40/16,187,895.60 = 9,970,784.80/x
  3. Step 3: Cross multiply
    10,791,930.40x = 16,187,895.60 × 9,970,784.80
  4. Step 4: Simplify right side
    10,791,930.40x = 161,406,023,392,466.88
  5. Step 5: Solve for x
    x = 161,406,023,392,466.88/10,791,930.40
  6. Step 6: Final answer
    x = 14,956,177.20

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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.