Home / 38,502,731.50-53,133,770.09-21,099,761.62

Finding the Fourth Proportional to 38,502,731.50, 53,133,770.09 and 21,099,761.62

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Solution

The fourth proportional to 38,502,731.50, 53,133,770.09 and 21,099,761.62 is: 29,117,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502,731.50 : 53,133,770.09 = 21,099,761.62 : x
  2. Step 2: Convert to fraction form
    38,502,731.50/53,133,770.09 = 21,099,761.62/x
  3. Step 3: Cross multiply
    38,502,731.50x = 53,133,770.09 × 21,099,761.62
  4. Step 4: Simplify right side
    38,502,731.50x = 1,121,109,882,870,886.12
  5. Step 5: Solve for x
    x = 1,121,109,882,870,886.12/38,502,731.50
  6. Step 6: Final answer
    x = 29,117,671.38

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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.