Home / 15,127,525.76-20,875,960.22-8,252,007.82

Finding the Fourth Proportional to 15,127,525.76, 20,875,960.22 and 8,252,007.82

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Solution

The fourth proportional to 15,127,525.76, 20,875,960.22 and 8,252,007.82 is: 11,387,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127,525.76 : 20,875,960.22 = 8,252,007.82 : x
  2. Step 2: Convert to fraction form
    15,127,525.76/20,875,960.22 = 8,252,007.82/x
  3. Step 3: Cross multiply
    15,127,525.76x = 20,875,960.22 × 8,252,007.82
  4. Step 4: Simplify right side
    15,127,525.76x = 172,268,586,985,448.91
  5. Step 5: Solve for x
    x = 172,268,586,985,448.91/15,127,525.76
  6. Step 6: Final answer
    x = 11,387,756.97

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1.5x scale

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.