Home / 12,433,840.10-18,630,141.14-7,561,407.76

Finding the Fourth Proportional to 12,433,840.10, 18,630,141.14 and 7,561,407.76

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Solution

The fourth proportional to 12,433,840.10, 18,630,141.14 and 7,561,407.76 is: 11,329,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433,840.10 : 18,630,141.14 = 7,561,407.76 : x
  2. Step 2: Convert to fraction form
    12,433,840.10/18,630,141.14 = 7,561,407.76/x
  3. Step 3: Cross multiply
    12,433,840.10x = 18,630,141.14 × 7,561,407.76
  4. Step 4: Simplify right side
    12,433,840.10x = 140,870,093,863,013.94
  5. Step 5: Solve for x
    x = 140,870,093,863,013.94/12,433,840.10
  6. Step 6: Final answer
    x = 11,329,572.58

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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.