Home / 31,969,744.80-47,954,617.20-11,772,362.40

Finding the Fourth Proportional to 31,969,744.80, 47,954,617.20 and 11,772,362.40

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Solution

The fourth proportional to 31,969,744.80, 47,954,617.20 and 11,772,362.40 is: 17,658,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,744.80 : 47,954,617.20 = 11,772,362.40 : x
  2. Step 2: Convert to fraction form
    31,969,744.80/47,954,617.20 = 11,772,362.40/x
  3. Step 3: Cross multiply
    31,969,744.80x = 47,954,617.20 × 11,772,362.40
  4. Step 4: Simplify right side
    31,969,744.80x = 564,539,132,431,673.38
  5. Step 5: Solve for x
    x = 564,539,132,431,673.38/31,969,744.80
  6. Step 6: Final answer
    x = 17,658,543.60

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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.