Home / 12,287,104.80-18,407,156.40-6,605,440.80

Finding the Fourth Proportional to 12,287,104.80, 18,407,156.40 and 6,605,440.80

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Solution

The fourth proportional to 12,287,104.80, 18,407,156.40 and 6,605,440.80 is: 9,895,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,104.80 : 18,407,156.40 = 6,605,440.80 : x
  2. Step 2: Convert to fraction form
    12,287,104.80/18,407,156.40 = 6,605,440.80/x
  3. Step 3: Cross multiply
    12,287,104.80x = 18,407,156.40 × 6,605,440.80
  4. Step 4: Simplify right side
    12,287,104.80x = 121,587,381,896,541.11
  5. Step 5: Solve for x
    x = 121,587,381,896,541.11/12,287,104.80
  6. Step 6: Final answer
    x = 9,895,527.37

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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.