Home / 13,508,492.65-20,266,527.15-5,427,143.11

Finding the Fourth Proportional to 13,508,492.65, 20,266,527.15 and 5,427,143.11

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Solution

The fourth proportional to 13,508,492.65, 20,266,527.15 and 5,427,143.11 is: 8,142,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,492.65 : 20,266,527.15 = 5,427,143.11 : x
  2. Step 2: Convert to fraction form
    13,508,492.65/20,266,527.15 = 5,427,143.11/x
  3. Step 3: Cross multiply
    13,508,492.65x = 20,266,527.15 × 5,427,143.11
  4. Step 4: Simplify right side
    13,508,492.65x = 109,989,343,185,750.44
  5. Step 5: Solve for x
    x = 109,989,343,185,750.44/13,508,492.65
  6. Step 6: Final answer
    x = 8,142,236.59

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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.