Home / 12,777,082.47-17,632,281.60-6,975,864.20

Finding the Fourth Proportional to 12,777,082.47, 17,632,281.60 and 6,975,864.20

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Solution

The fourth proportional to 12,777,082.47, 17,632,281.60 and 6,975,864.20 is: 9,626,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,082.47 : 17,632,281.60 = 6,975,864.20 : x
  2. Step 2: Convert to fraction form
    12,777,082.47/17,632,281.60 = 6,975,864.20/x
  3. Step 3: Cross multiply
    12,777,082.47x = 17,632,281.60 × 6,975,864.20
  4. Step 4: Simplify right side
    12,777,082.47x = 123,000,401,889,597.33
  5. Step 5: Solve for x
    x = 123,000,401,889,597.33/12,777,082.47
  6. Step 6: Final answer
    x = 9,626,642.25

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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.