Home / 11,335,131.75-15,642,637.28-6,178,482.21

Finding the Fourth Proportional to 11,335,131.75, 15,642,637.28 and 6,178,482.21

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Solution

The fourth proportional to 11,335,131.75, 15,642,637.28 and 6,178,482.21 is: 8,526,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335,131.75 : 15,642,637.28 = 6,178,482.21 : x
  2. Step 2: Convert to fraction form
    11,335,131.75/15,642,637.28 = 6,178,482.21/x
  3. Step 3: Cross multiply
    11,335,131.75x = 15,642,637.28 × 6,178,482.21
  4. Step 4: Simplify right side
    11,335,131.75x = 96,647,756,151,962.78
  5. Step 5: Solve for x
    x = 96,647,756,151,962.78/11,335,131.75
  6. Step 6: Final answer
    x = 8,526,390.19

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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.