Home / 12,069,669.30-18,125,499.15-6,400,965.30

Finding the Fourth Proportional to 12,069,669.30, 18,125,499.15 and 6,400,965.30

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Solution

The fourth proportional to 12,069,669.30, 18,125,499.15 and 6,400,965.30 is: 9,612,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,669.30 : 18,125,499.15 = 6,400,965.30 : x
  2. Step 2: Convert to fraction form
    12,069,669.30/18,125,499.15 = 6,400,965.30/x
  3. Step 3: Cross multiply
    12,069,669.30x = 18,125,499.15 × 6,400,965.30
  4. Step 4: Simplify right side
    12,069,669.30x = 116,020,691,104,329.48
  5. Step 5: Solve for x
    x = 116,020,691,104,329.48/12,069,669.30
  6. Step 6: Final answer
    x = 9,612,582.43

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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.