Home / 10,458,440.70-15,687,661.05-7,057,218.30

Finding the Fourth Proportional to 10,458,440.70, 15,687,661.05 and 7,057,218.30

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Solution

The fourth proportional to 10,458,440.70, 15,687,661.05 and 7,057,218.30 is: 10,585,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,440.70 : 15,687,661.05 = 7,057,218.30 : x
  2. Step 2: Convert to fraction form
    10,458,440.70/15,687,661.05 = 7,057,218.30/x
  3. Step 3: Cross multiply
    10,458,440.70x = 15,687,661.05 × 7,057,218.30
  4. Step 4: Simplify right side
    10,458,440.70x = 110,711,248,646,257.22
  5. Step 5: Solve for x
    x = 110,711,248,646,257.22/10,458,440.70
  6. Step 6: Final answer
    x = 10,585,827.45

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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.