Home / 18,248,266.66-25,182,615.50-9,988,370.55

Finding the Fourth Proportional to 18,248,266.66, 25,182,615.50 and 9,988,370.55

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Solution

The fourth proportional to 18,248,266.66, 25,182,615.50 and 9,988,370.55 is: 13,783,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248,266.66 : 25,182,615.50 = 9,988,370.55 : x
  2. Step 2: Convert to fraction form
    18,248,266.66/25,182,615.50 = 9,988,370.55/x
  3. Step 3: Cross multiply
    18,248,266.66x = 25,182,615.50 × 9,988,370.55
  4. Step 4: Simplify right side
    18,248,266.66x = 251,533,294,949,013.28
  5. Step 5: Solve for x
    x = 251,533,294,949,013.28/18,248,266.66
  6. Step 6: Final answer
    x = 13,783,955.46

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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.