Home / 38,332,971.68-52,904,139.72-21,817,112

Finding the Fourth Proportional to 38,332,971.68, 52,904,139.72 and 21,817,112

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Solution

The fourth proportional to 38,332,971.68, 52,904,139.72 and 21,817,112 is: 30,110,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,332,971.68 : 52,904,139.72 = 21,817,112 : x
  2. Step 2: Convert to fraction form
    38,332,971.68/52,904,139.72 = 21,817,112/x
  3. Step 3: Cross multiply
    38,332,971.68x = 52,904,139.72 × 21,817,112
  4. Step 4: Simplify right side
    38,332,971.68x = 1,154,215,541,534,888.50
  5. Step 5: Solve for x
    x = 1,154,215,541,534,888.50/38,332,971.68
  6. Step 6: Final answer
    x = 30,110,254.72

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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.