Home / 12,096,413.40-18,144,620.10-6,776,938.20

Finding the Fourth Proportional to 12,096,413.40, 18,144,620.10 and 6,776,938.20

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Solution

The fourth proportional to 12,096,413.40, 18,144,620.10 and 6,776,938.20 is: 10,165,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,413.40 : 18,144,620.10 = 6,776,938.20 : x
  2. Step 2: Convert to fraction form
    12,096,413.40/18,144,620.10 = 6,776,938.20/x
  3. Step 3: Cross multiply
    12,096,413.40x = 18,144,620.10 × 6,776,938.20
  4. Step 4: Simplify right side
    12,096,413.40x = 122,964,969,080,177.83
  5. Step 5: Solve for x
    x = 122,964,969,080,177.83/12,096,413.40
  6. Step 6: Final answer
    x = 10,165,407.30

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Double scale
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1.5x scale

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.