Home / 38,188,434.62-52,701,333.54-20,785,411.28

Finding the Fourth Proportional to 38,188,434.62, 52,701,333.54 and 20,785,411.28

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Solution

The fourth proportional to 38,188,434.62, 52,701,333.54 and 20,785,411.28 is: 28,684,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,434.62 : 52,701,333.54 = 20,785,411.28 : x
  2. Step 2: Convert to fraction form
    38,188,434.62/52,701,333.54 = 20,785,411.28/x
  3. Step 3: Cross multiply
    38,188,434.62x = 52,701,333.54 × 20,785,411.28
  4. Step 4: Simplify right side
    38,188,434.62x = 1,095,418,892,633,358.38
  5. Step 5: Solve for x
    x = 1,095,418,892,633,358.38/38,188,434.62
  6. Step 6: Final answer
    x = 28,684,571.74

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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.