Home / 14,741,572.32-20,342,476.20-8,125,871.52

Finding the Fourth Proportional to 14,741,572.32, 20,342,476.20 and 8,125,871.52

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Solution

The fourth proportional to 14,741,572.32, 20,342,476.20 and 8,125,871.52 is: 11,213,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741,572.32 : 20,342,476.20 = 8,125,871.52 : x
  2. Step 2: Convert to fraction form
    14,741,572.32/20,342,476.20 = 8,125,871.52/x
  3. Step 3: Cross multiply
    14,741,572.32x = 20,342,476.20 × 8,125,871.52
  4. Step 4: Simplify right side
    14,741,572.32x = 165,300,347,999,857.81
  5. Step 5: Solve for x
    x = 165,300,347,999,857.81/14,741,572.32
  6. Step 6: Final answer
    x = 11,213,210.13

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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.