Home / 10,571,458.60-15,857,187.90-7,382,812.60

Finding the Fourth Proportional to 10,571,458.60, 15,857,187.90 and 7,382,812.60

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Solution

The fourth proportional to 10,571,458.60, 15,857,187.90 and 7,382,812.60 is: 11,074,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,458.60 : 15,857,187.90 = 7,382,812.60 : x
  2. Step 2: Convert to fraction form
    10,571,458.60/15,857,187.90 = 7,382,812.60/x
  3. Step 3: Cross multiply
    10,571,458.60x = 15,857,187.90 × 7,382,812.60
  4. Step 4: Simplify right side
    10,571,458.60x = 117,070,646,628,687.53
  5. Step 5: Solve for x
    x = 117,070,646,628,687.53/10,571,458.60
  6. Step 6: Final answer
    x = 11,074,218.90

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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.