Home / 40,502,205.65-55,893,190.95-21,917,343.82

Finding the Fourth Proportional to 40,502,205.65, 55,893,190.95 and 21,917,343.82

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Solution

The fourth proportional to 40,502,205.65, 55,893,190.95 and 21,917,343.82 is: 30,246,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502,205.65 : 55,893,190.95 = 21,917,343.82 : x
  2. Step 2: Convert to fraction form
    40,502,205.65/55,893,190.95 = 21,917,343.82/x
  3. Step 3: Cross multiply
    40,502,205.65x = 55,893,190.95 × 21,917,343.82
  4. Step 4: Simplify right side
    40,502,205.65x = 1,225,030,283,317,929
  5. Step 5: Solve for x
    x = 1,225,030,283,317,929/40,502,205.65
  6. Step 6: Final answer
    x = 30,246,014.10

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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.