Home / 13,508,491.65-20,266,525.65-5,427,142.11

Finding the Fourth Proportional to 13,508,491.65, 20,266,525.65 and 5,427,142.11

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Solution

The fourth proportional to 13,508,491.65, 20,266,525.65 and 5,427,142.11 is: 8,142,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,491.65 : 20,266,525.65 = 5,427,142.11 : x
  2. Step 2: Convert to fraction form
    13,508,491.65/20,266,525.65 = 5,427,142.11/x
  3. Step 3: Cross multiply
    13,508,491.65x = 20,266,525.65 × 5,427,142.11
  4. Step 4: Simplify right side
    13,508,491.65x = 109,989,314,650,041.80
  5. Step 5: Solve for x
    x = 109,989,314,650,041.80/13,508,491.65
  6. Step 6: Final answer
    x = 8,142,235.08

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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.