Home / 12,605,718.60-18,908,577.90-9,417,072.60

Finding the Fourth Proportional to 12,605,718.60, 18,908,577.90 and 9,417,072.60

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Solution

The fourth proportional to 12,605,718.60, 18,908,577.90 and 9,417,072.60 is: 14,125,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,718.60 : 18,908,577.90 = 9,417,072.60 : x
  2. Step 2: Convert to fraction form
    12,605,718.60/18,908,577.90 = 9,417,072.60/x
  3. Step 3: Cross multiply
    12,605,718.60x = 18,908,577.90 × 9,417,072.60
  4. Step 4: Simplify right side
    12,605,718.60x = 178,063,450,847,055.53
  5. Step 5: Solve for x
    x = 178,063,450,847,055.53/12,605,718.60
  6. Step 6: Final answer
    x = 14,125,608.90

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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.