Home / 40,730,801.31-61,055,846.33-19,126,729.58

Finding the Fourth Proportional to 40,730,801.31, 61,055,846.33 and 19,126,729.58

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Solution

The fourth proportional to 40,730,801.31, 61,055,846.33 and 19,126,729.58 is: 28,671,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730,801.31 : 61,055,846.33 = 19,126,729.58 : x
  2. Step 2: Convert to fraction form
    40,730,801.31/61,055,846.33 = 19,126,729.58/x
  3. Step 3: Cross multiply
    40,730,801.31x = 61,055,846.33 × 19,126,729.58
  4. Step 4: Simplify right side
    40,730,801.31x = 1,167,798,661,631,032.50
  5. Step 5: Solve for x
    x = 1,167,798,661,631,032.50/40,730,801.31
  6. Step 6: Final answer
    x = 28,671,143.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.