Home / 7,253,714.88-10,009,987.20-3,990,338.88

Finding the Fourth Proportional to 7,253,714.88, 10,009,987.20 and 3,990,338.88

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Solution

The fourth proportional to 7,253,714.88, 10,009,987.20 and 3,990,338.88 is: 5,506,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,714.88 : 10,009,987.20 = 3,990,338.88 : x
  2. Step 2: Convert to fraction form
    7,253,714.88/10,009,987.20 = 3,990,338.88/x
  3. Step 3: Cross multiply
    7,253,714.88x = 10,009,987.20 × 3,990,338.88
  4. Step 4: Simplify right side
    7,253,714.88x = 39,943,241,112,462.33
  5. Step 5: Solve for x
    x = 39,943,241,112,462.33/7,253,714.88
  6. Step 6: Final answer
    x = 5,506,591.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.