Home / 12,190,193.12-16,820,097.65-7,227,717.80

Finding the Fourth Proportional to 12,190,193.12, 16,820,097.65 and 7,227,717.80

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Solution

The fourth proportional to 12,190,193.12, 16,820,097.65 and 7,227,717.80 is: 9,972,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,193.12 : 16,820,097.65 = 7,227,717.80 : x
  2. Step 2: Convert to fraction form
    12,190,193.12/16,820,097.65 = 7,227,717.80/x
  3. Step 3: Cross multiply
    12,190,193.12x = 16,820,097.65 × 7,227,717.80
  4. Step 4: Simplify right side
    12,190,193.12x = 121,570,919,182,643.16
  5. Step 5: Solve for x
    x = 121,570,919,182,643.16/12,190,193.12
  6. Step 6: Final answer
    x = 9,972,846.04

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1.5x scale

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.