Home / 27,580,352.40-38,062,615.14-15,190,443.36

Finding the Fourth Proportional to 27,580,352.40, 38,062,615.14 and 15,190,443.36

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Solution

The fourth proportional to 27,580,352.40, 38,062,615.14 and 15,190,443.36 is: 20,963,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580,352.40 : 38,062,615.14 = 15,190,443.36 : x
  2. Step 2: Convert to fraction form
    27,580,352.40/38,062,615.14 = 15,190,443.36/x
  3. Step 3: Cross multiply
    27,580,352.40x = 38,062,615.14 × 15,190,443.36
  4. Step 4: Simplify right side
    27,580,352.40x = 578,187,999,417,648.50
  5. Step 5: Solve for x
    x = 578,187,999,417,648.50/27,580,352.40
  6. Step 6: Final answer
    x = 20,963,764.02

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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.