Home / 38,336,347.43-52,904,224.84-20,932,321.71

Finding the Fourth Proportional to 38,336,347.43, 52,904,224.84 and 20,932,321.71

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Solution

The fourth proportional to 38,336,347.43, 52,904,224.84 and 20,932,321.71 is: 28,886,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336,347.43 : 52,904,224.84 = 20,932,321.71 : x
  2. Step 2: Convert to fraction form
    38,336,347.43/52,904,224.84 = 20,932,321.71/x
  3. Step 3: Cross multiply
    38,336,347.43x = 52,904,224.84 × 20,932,321.71
  4. Step 4: Simplify right side
    38,336,347.43x = 1,107,408,254,169,053.38
  5. Step 5: Solve for x
    x = 1,107,408,254,169,053.38/38,336,347.43
  6. Step 6: Final answer
    x = 28,886,639.66

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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.