Home / 12,729,364.83-17,566,004.16-7,222,621.14

Finding the Fourth Proportional to 12,729,364.83, 17,566,004.16 and 7,222,621.14

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Solution

The fourth proportional to 12,729,364.83, 17,566,004.16 and 7,222,621.14 is: 9,966,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,364.83 : 17,566,004.16 = 7,222,621.14 : x
  2. Step 2: Convert to fraction form
    12,729,364.83/17,566,004.16 = 7,222,621.14/x
  3. Step 3: Cross multiply
    12,729,364.83x = 17,566,004.16 × 7,222,621.14
  4. Step 4: Simplify right side
    12,729,364.83x = 126,872,592,991,343.94
  5. Step 5: Solve for x
    x = 126,872,592,991,343.94/12,729,364.83
  6. Step 6: Final answer
    x = 9,966,922.52

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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.