Home / 40,502,823.67-55,893,470.80-21,917,557.00

Finding the Fourth Proportional to 40,502,823.67, 55,893,470.80 and 21,917,557.00

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Solution

The fourth proportional to 40,502,823.67, 55,893,470.80 and 21,917,557.00 is: 30,245,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502,823.67 : 55,893,470.80 = 21,917,557.00 : x
  2. Step 2: Convert to fraction form
    40,502,823.67/55,893,470.80 = 21,917,557.00/x
  3. Step 3: Cross multiply
    40,502,823.67x = 55,893,470.80 × 21,917,557.00
  4. Step 4: Simplify right side
    40,502,823.67x = 1,225,048,331,797,780.50
  5. Step 5: Solve for x
    x = 1,225,048,331,797,780.50/40,502,823.67
  6. Step 6: Final answer
    x = 30,245,998.20

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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.