Home / 9,482,899.42-13,086,401.07-5,131,985.72

Finding the Fourth Proportional to 9,482,899.42, 13,086,401.07 and 5,131,985.72

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Solution

The fourth proportional to 9,482,899.42, 13,086,401.07 and 5,131,985.72 is: 7,082,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,899.42 : 13,086,401.07 = 5,131,985.72 : x
  2. Step 2: Convert to fraction form
    9,482,899.42/13,086,401.07 = 5,131,985.72/x
  3. Step 3: Cross multiply
    9,482,899.42x = 13,086,401.07 × 5,131,985.72
  4. Step 4: Simplify right side
    9,482,899.42x = 67,159,223,437,825.34
  5. Step 5: Solve for x
    x = 67,159,223,437,825.34/9,482,899.42
  6. Step 6: Final answer
    x = 7,082,140.23

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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.