Home / 13,701,588.67-18,908,207.06-7,422,130.61

Finding the Fourth Proportional to 13,701,588.67, 18,908,207.06 and 7,422,130.61

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Solution

The fourth proportional to 13,701,588.67, 18,908,207.06 and 7,422,130.61 is: 10,242,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,588.67 : 18,908,207.06 = 7,422,130.61 : x
  2. Step 2: Convert to fraction form
    13,701,588.67/18,908,207.06 = 7,422,130.61/x
  3. Step 3: Cross multiply
    13,701,588.67x = 18,908,207.06 × 7,422,130.61
  4. Step 4: Simplify right side
    13,701,588.67x = 140,339,182,268,592.42
  5. Step 5: Solve for x
    x = 140,339,182,268,592.42/13,701,588.67
  6. Step 6: Final answer
    x = 10,242,548.19

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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.