Home / 12,290,995.60-18,447,647.10-6,229,943.80

Finding the Fourth Proportional to 12,290,995.60, 18,447,647.10 and 6,229,943.80

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Solution

The fourth proportional to 12,290,995.60, 18,447,647.10 and 6,229,943.80 is: 9,350,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,995.60 : 18,447,647.10 = 6,229,943.80 : x
  2. Step 2: Convert to fraction form
    12,290,995.60/18,447,647.10 = 6,229,943.80/x
  3. Step 3: Cross multiply
    12,290,995.60x = 18,447,647.10 × 6,229,943.80
  4. Step 4: Simplify right side
    12,290,995.60x = 114,927,804,675,232.98
  5. Step 5: Solve for x
    x = 114,927,804,675,232.98/12,290,995.60
  6. Step 6: Final answer
    x = 9,350,569.18

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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.