Home / 13,306,081.72-18,361,288.92-7,506,288.76

Finding the Fourth Proportional to 13,306,081.72, 18,361,288.92 and 7,506,288.76

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Solution

The fourth proportional to 13,306,081.72, 18,361,288.92 and 7,506,288.76 is: 10,358,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,081.72 : 18,361,288.92 = 7,506,288.76 : x
  2. Step 2: Convert to fraction form
    13,306,081.72/18,361,288.92 = 7,506,288.76/x
  3. Step 3: Cross multiply
    13,306,081.72x = 18,361,288.92 × 7,506,288.76
  4. Step 4: Simplify right side
    13,306,081.72x = 137,825,136,639,308.55
  5. Step 5: Solve for x
    x = 137,825,136,639,308.55/13,306,081.72
  6. Step 6: Final answer
    x = 10,358,055.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.