Home / 10,458,441.20-15,687,661.80-7,057,218.80

Finding the Fourth Proportional to 10,458,441.20, 15,687,661.80 and 7,057,218.80

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Solution

The fourth proportional to 10,458,441.20, 15,687,661.80 and 7,057,218.80 is: 10,585,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,441.20 : 15,687,661.80 = 7,057,218.80 : x
  2. Step 2: Convert to fraction form
    10,458,441.20/15,687,661.80 = 7,057,218.80/x
  3. Step 3: Cross multiply
    10,458,441.20x = 15,687,661.80 × 7,057,218.80
  4. Step 4: Simplify right side
    10,458,441.20x = 110,711,261,783,001.84
  5. Step 5: Solve for x
    x = 110,711,261,783,001.84/10,458,441.20
  6. Step 6: Final answer
    x = 10,585,828.20

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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.