Home / 15,277,199.05-21,082,242.33-8,401,681.12

Finding the Fourth Proportional to 15,277,199.05, 21,082,242.33 and 8,401,681.12

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Solution

The fourth proportional to 15,277,199.05, 21,082,242.33 and 8,401,681.12 is: 11,594,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,199.05 : 21,082,242.33 = 8,401,681.12 : x
  2. Step 2: Convert to fraction form
    15,277,199.05/21,082,242.33 = 8,401,681.12/x
  3. Step 3: Cross multiply
    15,277,199.05x = 21,082,242.33 × 8,401,681.12
  4. Step 4: Simplify right side
    15,277,199.05x = 177,126,277,203,806.19
  5. Step 5: Solve for x
    x = 177,126,277,203,806.19/15,277,199.05
  6. Step 6: Final answer
    x = 11,594,159.15

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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.