Home / 12,291,862.10-18,448,946.85-6,230,810.30

Finding the Fourth Proportional to 12,291,862.10, 18,448,946.85 and 6,230,810.30

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Solution

The fourth proportional to 12,291,862.10, 18,448,946.85 and 6,230,810.30 is: 9,351,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,862.10 : 18,448,946.85 = 6,230,810.30 : x
  2. Step 2: Convert to fraction form
    12,291,862.10/18,448,946.85 = 6,230,810.30/x
  3. Step 3: Cross multiply
    12,291,862.10x = 18,448,946.85 × 6,230,810.30
  4. Step 4: Simplify right side
    12,291,862.10x = 114,951,888,057,132.56
  5. Step 5: Solve for x
    x = 114,951,888,057,132.56/12,291,862.10
  6. Step 6: Final answer
    x = 9,351,869.32

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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.