Home / 13,306,089.72-18,361,299.96-7,506,296.76

Finding the Fourth Proportional to 13,306,089.72, 18,361,299.96 and 7,506,296.76

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Solution

The fourth proportional to 13,306,089.72, 18,361,299.96 and 7,506,296.76 is: 10,358,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,089.72 : 18,361,299.96 = 7,506,296.76 : x
  2. Step 2: Convert to fraction form
    13,306,089.72/18,361,299.96 = 7,506,296.76/x
  3. Step 3: Cross multiply
    13,306,089.72x = 18,361,299.96 × 7,506,296.76
  4. Step 4: Simplify right side
    13,306,089.72x = 137,825,366,399,136.12
  5. Step 5: Solve for x
    x = 137,825,366,399,136.12/13,306,089.72
  6. Step 6: Final answer
    x = 10,358,066.82

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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.