Home / 30,888,386.24-42,625,978.54-17,137,317.56

Finding the Fourth Proportional to 30,888,386.24, 42,625,978.54 and 17,137,317.56

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Solution

The fourth proportional to 30,888,386.24, 42,625,978.54 and 17,137,317.56 is: 23,649,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,386.24 : 42,625,978.54 = 17,137,317.56 : x
  2. Step 2: Convert to fraction form
    30,888,386.24/42,625,978.54 = 17,137,317.56/x
  3. Step 3: Cross multiply
    30,888,386.24x = 42,625,978.54 × 17,137,317.56
  4. Step 4: Simplify right side
    30,888,386.24x = 730,494,930,545,725.12
  5. Step 5: Solve for x
    x = 730,494,930,545,725.12/30,888,386.24
  6. Step 6: Final answer
    x = 23,649,501.30

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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.