Home / 12,860,382.02-17,739,254.54-7,629,686.93

Finding the Fourth Proportional to 12,860,382.02, 17,739,254.54 and 7,629,686.93

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Solution

The fourth proportional to 12,860,382.02, 17,739,254.54 and 7,629,686.93 is: 10,524,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,382.02 : 17,739,254.54 = 7,629,686.93 : x
  2. Step 2: Convert to fraction form
    12,860,382.02/17,739,254.54 = 7,629,686.93/x
  3. Step 3: Cross multiply
    12,860,382.02x = 17,739,254.54 × 7,629,686.93
  4. Step 4: Simplify right side
    12,860,382.02x = 135,344,958,575,203.52
  5. Step 5: Solve for x
    x = 135,344,958,575,203.52/12,860,382.02
  6. Step 6: Final answer
    x = 10,524,178.71

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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.