Home / 7,297,646.47-10,070,770.22-3,990,154.11

Finding the Fourth Proportional to 7,297,646.47, 10,070,770.22 and 3,990,154.11

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Solution

The fourth proportional to 7,297,646.47, 10,070,770.22 and 3,990,154.11 is: 5,506,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,646.47 : 10,070,770.22 = 3,990,154.11 : x
  2. Step 2: Convert to fraction form
    7,297,646.47/10,070,770.22 = 3,990,154.11/x
  3. Step 3: Cross multiply
    7,297,646.47x = 10,070,770.22 × 3,990,154.11
  4. Step 4: Simplify right side
    7,297,646.47x = 40,183,925,141,445.52
  5. Step 5: Solve for x
    x = 40,183,925,141,445.52/7,297,646.47
  6. Step 6: Final answer
    x = 5,506,422.56

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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.