Home / 12,101,898.70-18,127,964.85-8,319,652.30

Finding the Fourth Proportional to 12,101,898.70, 18,127,964.85 and 8,319,652.30

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Solution

The fourth proportional to 12,101,898.70, 18,127,964.85 and 8,319,652.30 is: 12,462,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,898.70 : 18,127,964.85 = 8,319,652.30 : x
  2. Step 2: Convert to fraction form
    12,101,898.70/18,127,964.85 = 8,319,652.30/x
  3. Step 3: Cross multiply
    12,101,898.70x = 18,127,964.85 × 8,319,652.30
  4. Step 4: Simplify right side
    12,101,898.70x = 150,818,364,458,621.66
  5. Step 5: Solve for x
    x = 150,818,364,458,621.66/12,101,898.70
  6. Step 6: Final answer
    x = 12,462,372.08

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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.