Home / 9,990,217.17-13,786,499.55-5,406,538.55

Finding the Fourth Proportional to 9,990,217.17, 13,786,499.55 and 5,406,538.55

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Solution

The fourth proportional to 9,990,217.17, 13,786,499.55 and 5,406,538.55 is: 7,461,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,217.17 : 13,786,499.55 = 5,406,538.55 : x
  2. Step 2: Convert to fraction form
    9,990,217.17/13,786,499.55 = 5,406,538.55/x
  3. Step 3: Cross multiply
    9,990,217.17x = 13,786,499.55 × 5,406,538.55
  4. Step 4: Simplify right side
    9,990,217.17x = 74,537,241,217,700.16
  5. Step 5: Solve for x
    x = 74,537,241,217,700.16/9,990,217.17
  6. Step 6: Final answer
    x = 7,461,023.11

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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.