Home / 12,258,974.10-18,375,844.02-5,438,759.22

Finding the Fourth Proportional to 12,258,974.10, 18,375,844.02 and 5,438,759.22

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Solution

The fourth proportional to 12,258,974.10, 18,375,844.02 and 5,438,759.22 is: 8,152,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,974.10 : 18,375,844.02 = 5,438,759.22 : x
  2. Step 2: Convert to fraction form
    12,258,974.10/18,375,844.02 = 5,438,759.22/x
  3. Step 3: Cross multiply
    12,258,974.10x = 18,375,844.02 × 5,438,759.22
  4. Step 4: Simplify right side
    12,258,974.10x = 99,941,791,089,056.86
  5. Step 5: Solve for x
    x = 99,941,791,089,056.86/12,258,974.10
  6. Step 6: Final answer
    x = 8,152,541.17

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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.