Home / 13,791,832.30-20,697,079.65-6,214,897.90

Finding the Fourth Proportional to 13,791,832.30, 20,697,079.65 and 6,214,897.90

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Solution

The fourth proportional to 13,791,832.30, 20,697,079.65 and 6,214,897.90 is: 9,326,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,832.30 : 20,697,079.65 = 6,214,897.90 : x
  2. Step 2: Convert to fraction form
    13,791,832.30/20,697,079.65 = 6,214,897.90/x
  3. Step 3: Cross multiply
    13,791,832.30x = 20,697,079.65 × 6,214,897.90
  4. Step 4: Simplify right side
    13,791,832.30x = 128,630,236,852,917.73
  5. Step 5: Solve for x
    x = 128,630,236,852,917.73/13,791,832.30
  6. Step 6: Final answer
    x = 9,326,551.69

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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.