Home / 12,455,106.18-17,172,776.21-10,242,235.80

Finding the Fourth Proportional to 12,455,106.18, 17,172,776.21 and 10,242,235.80

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Solution

The fourth proportional to 12,455,106.18, 17,172,776.21 and 10,242,235.80 is: 14,121,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,106.18 : 17,172,776.21 = 10,242,235.80 : x
  2. Step 2: Convert to fraction form
    12,455,106.18/17,172,776.21 = 10,242,235.80/x
  3. Step 3: Cross multiply
    12,455,106.18x = 17,172,776.21 × 10,242,235.80
  4. Step 4: Simplify right side
    12,455,106.18x = 175,887,623,146,375.25
  5. Step 5: Solve for x
    x = 175,887,623,146,375.25/12,455,106.18
  6. Step 6: Final answer
    x = 14,121,728.12

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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.