Home / 7,127,751.18-10,686,903.72-2,578,201.20

Finding the Fourth Proportional to 7,127,751.18, 10,686,903.72 and 2,578,201.20

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Solution

The fourth proportional to 7,127,751.18, 10,686,903.72 and 2,578,201.20 is: 3,865,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,751.18 : 10,686,903.72 = 2,578,201.20 : x
  2. Step 2: Convert to fraction form
    7,127,751.18/10,686,903.72 = 2,578,201.20/x
  3. Step 3: Cross multiply
    7,127,751.18x = 10,686,903.72 × 2,578,201.20
  4. Step 4: Simplify right side
    7,127,751.18x = 27,552,987,995,188.47
  5. Step 5: Solve for x
    x = 27,552,987,995,188.47/7,127,751.18
  6. Step 6: Final answer
    x = 3,865,593.41

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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.