Home / 15,114,146.10-20,856,734.61-8,586,869.64

Finding the Fourth Proportional to 15,114,146.10, 20,856,734.61 and 8,586,869.64

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Solution

The fourth proportional to 15,114,146.10, 20,856,734.61 and 8,586,869.64 is: 11,849,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,146.10 : 20,856,734.61 = 8,586,869.64 : x
  2. Step 2: Convert to fraction form
    15,114,146.10/20,856,734.61 = 8,586,869.64/x
  3. Step 3: Cross multiply
    15,114,146.10x = 20,856,734.61 × 8,586,869.64
  4. Step 4: Simplify right side
    15,114,146.10x = 179,094,061,212,146.25
  5. Step 5: Solve for x
    x = 179,094,061,212,146.25/15,114,146.10
  6. Step 6: Final answer
    x = 11,849,432.98

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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.