Home / 8,315,254.49-12,472,912.37-2,557,948.23

Finding the Fourth Proportional to 8,315,254.49, 12,472,912.37 and 2,557,948.23

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Solution

The fourth proportional to 8,315,254.49, 12,472,912.37 and 2,557,948.23 is: 3,836,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,254.49 : 12,472,912.37 = 2,557,948.23 : x
  2. Step 2: Convert to fraction form
    8,315,254.49/12,472,912.37 = 2,557,948.23/x
  3. Step 3: Cross multiply
    8,315,254.49x = 12,472,912.37 × 2,557,948.23
  4. Step 4: Simplify right side
    8,315,254.49x = 31,905,064,161,261.54
  5. Step 5: Solve for x
    x = 31,905,064,161,261.54/8,315,254.49
  6. Step 6: Final answer
    x = 3,836,931.77

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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.