Home / 12,798,908.42-17,662,154.46-7,572,186.18

Finding the Fourth Proportional to 12,798,908.42, 17,662,154.46 and 7,572,186.18

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Solution

The fourth proportional to 12,798,908.42, 17,662,154.46 and 7,572,186.18 is: 10,449,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,908.42 : 17,662,154.46 = 7,572,186.18 : x
  2. Step 2: Convert to fraction form
    12,798,908.42/17,662,154.46 = 7,572,186.18/x
  3. Step 3: Cross multiply
    12,798,908.42x = 17,662,154.46 × 7,572,186.18
  4. Step 4: Simplify right side
    12,798,908.42x = 133,741,121,911,037.36
  5. Step 5: Solve for x
    x = 133,741,121,911,037.36/12,798,908.42
  6. Step 6: Final answer
    x = 10,449,416.27

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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.