Home / 7,253,474.14-10,009,478.10-3,990,081.88

Finding the Fourth Proportional to 7,253,474.14, 10,009,478.10 and 3,990,081.88

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Solution

The fourth proportional to 7,253,474.14, 10,009,478.10 and 3,990,081.88 is: 5,506,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,474.14 : 10,009,478.10 = 3,990,081.88 : x
  2. Step 2: Convert to fraction form
    7,253,474.14/10,009,478.10 = 3,990,081.88/x
  3. Step 3: Cross multiply
    7,253,474.14x = 10,009,478.10 × 3,990,081.88
  4. Step 4: Simplify right side
    7,253,474.14x = 39,938,637,195,066.83
  5. Step 5: Solve for x
    x = 39,938,637,195,066.83/7,253,474.14
  6. Step 6: Final answer
    x = 5,506,139.05

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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.