Home / 12,456,433.40-18,684,650.10-10,440,894.20

Finding the Fourth Proportional to 12,456,433.40, 18,684,650.10 and 10,440,894.20

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Solution

The fourth proportional to 12,456,433.40, 18,684,650.10 and 10,440,894.20 is: 15,661,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,433.40 : 18,684,650.10 = 10,440,894.20 : x
  2. Step 2: Convert to fraction form
    12,456,433.40/18,684,650.10 = 10,440,894.20/x
  3. Step 3: Cross multiply
    12,456,433.40x = 18,684,650.10 × 10,440,894.20
  4. Step 4: Simplify right side
    12,456,433.40x = 195,084,454,858,119.41
  5. Step 5: Solve for x
    x = 195,084,454,858,119.41/12,456,433.40
  6. Step 6: Final answer
    x = 15,661,341.30

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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.