Home / 8,391,168.90-11,575,620.98-5,297,526.18

Finding the Fourth Proportional to 8,391,168.90, 11,575,620.98 and 5,297,526.18

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Solution

The fourth proportional to 8,391,168.90, 11,575,620.98 and 5,297,526.18 is: 7,307,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,168.90 : 11,575,620.98 = 5,297,526.18 : x
  2. Step 2: Convert to fraction form
    8,391,168.90/11,575,620.98 = 5,297,526.18/x
  3. Step 3: Cross multiply
    8,391,168.90x = 11,575,620.98 × 5,297,526.18
  4. Step 4: Simplify right side
    8,391,168.90x = 61,322,155,191,307.26
  5. Step 5: Solve for x
    x = 61,322,155,191,307.26/8,391,168.90
  6. Step 6: Final answer
    x = 7,307,939.56

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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.