Home / 8,157,637.90-12,225,434.04-3,106,192.78

Finding the Fourth Proportional to 8,157,637.90, 12,225,434.04 and 3,106,192.78

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Solution

The fourth proportional to 8,157,637.90, 12,225,434.04 and 3,106,192.78 is: 4,655,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,637.90 : 12,225,434.04 = 3,106,192.78 : x
  2. Step 2: Convert to fraction form
    8,157,637.90/12,225,434.04 = 3,106,192.78/x
  3. Step 3: Cross multiply
    8,157,637.90x = 12,225,434.04 × 3,106,192.78
  4. Step 4: Simplify right side
    8,157,637.90x = 37,974,554,947,414.23
  5. Step 5: Solve for x
    x = 37,974,554,947,414.23/8,157,637.90
  6. Step 6: Final answer
    x = 4,655,092.00

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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.