Home / 10,456,065.93-15,661,386.36-5,053,385.84

Finding the Fourth Proportional to 10,456,065.93, 15,661,386.36 and 5,053,385.84

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Solution

The fourth proportional to 10,456,065.93, 15,661,386.36 and 5,053,385.84 is: 7,569,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,065.93 : 15,661,386.36 = 5,053,385.84 : x
  2. Step 2: Convert to fraction form
    10,456,065.93/15,661,386.36 = 5,053,385.84/x
  3. Step 3: Cross multiply
    10,456,065.93x = 15,661,386.36 × 5,053,385.84
  4. Step 4: Simplify right side
    10,456,065.93x = 79,143,028,105,546.61
  5. Step 5: Solve for x
    x = 79,143,028,105,546.61/10,456,065.93
  6. Step 6: Final answer
    x = 7,569,101.86

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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.