Home / 9,991,515.08-13,788,624.66-6,123,288.80

Finding the Fourth Proportional to 9,991,515.08, 13,788,624.66 and 6,123,288.80

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Solution

The fourth proportional to 9,991,515.08, 13,788,624.66 and 6,123,288.80 is: 8,450,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,515.08 : 13,788,624.66 = 6,123,288.80 : x
  2. Step 2: Convert to fraction form
    9,991,515.08/13,788,624.66 = 6,123,288.80/x
  3. Step 3: Cross multiply
    9,991,515.08x = 13,788,624.66 × 6,123,288.80
  4. Step 4: Simplify right side
    9,991,515.08x = 84,431,730,947,981.81
  5. Step 5: Solve for x
    x = 84,431,730,947,981.81/9,991,515.08
  6. Step 6: Final answer
    x = 8,450,343.14

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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.