Home / 13,673,860.02-18,869,773.92-7,479,084.72

Finding the Fourth Proportional to 13,673,860.02, 18,869,773.92 and 7,479,084.72

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Solution

The fourth proportional to 13,673,860.02, 18,869,773.92 and 7,479,084.72 is: 10,321,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,860.02 : 18,869,773.92 = 7,479,084.72 : x
  2. Step 2: Convert to fraction form
    13,673,860.02/18,869,773.92 = 7,479,084.72/x
  3. Step 3: Cross multiply
    13,673,860.02x = 18,869,773.92 × 7,479,084.72
  4. Step 4: Simplify right side
    13,673,860.02x = 141,128,637,794,926.50
  5. Step 5: Solve for x
    x = 141,128,637,794,926.50/13,673,860.02
  6. Step 6: Final answer
    x = 10,321,053.28

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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.