Home / 15,113,148.64-20,856,151.04-8,586,786.72

Finding the Fourth Proportional to 15,113,148.64, 20,856,151.04 and 8,586,786.72

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Solution

The fourth proportional to 15,113,148.64, 20,856,151.04 and 8,586,786.72 is: 11,849,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,148.64 : 20,856,151.04 = 8,586,786.72 : x
  2. Step 2: Convert to fraction form
    15,113,148.64/20,856,151.04 = 8,586,786.72/x
  3. Step 3: Cross multiply
    15,113,148.64x = 20,856,151.04 × 8,586,786.72
  4. Step 4: Simplify right side
    15,113,148.64x = 179,087,320,780,586.19
  5. Step 5: Solve for x
    x = 179,087,320,780,586.19/15,113,148.64
  6. Step 6: Final answer
    x = 11,849,769.04

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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.