Home / 13,359,063.38-18,435,543.10-7,247,491.88

Finding the Fourth Proportional to 13,359,063.38, 18,435,543.10 and 7,247,491.88

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Solution

The fourth proportional to 13,359,063.38, 18,435,543.10 and 7,247,491.88 is: 10,001,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,063.38 : 18,435,543.10 = 7,247,491.88 : x
  2. Step 2: Convert to fraction form
    13,359,063.38/18,435,543.10 = 7,247,491.88/x
  3. Step 3: Cross multiply
    13,359,063.38x = 18,435,543.10 × 7,247,491.88
  4. Step 4: Simplify right side
    13,359,063.38x = 133,611,448,810,343.58
  5. Step 5: Solve for x
    x = 133,611,448,810,343.58/13,359,063.38
  6. Step 6: Final answer
    x = 10,001,558.12

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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.