Home / 13,766,640.12-18,998,423.64-7,571,948.04

Finding the Fourth Proportional to 13,766,640.12, 18,998,423.64 and 7,571,948.04

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Solution

The fourth proportional to 13,766,640.12, 18,998,423.64 and 7,571,948.04 is: 10,449,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,640.12 : 18,998,423.64 = 7,571,948.04 : x
  2. Step 2: Convert to fraction form
    13,766,640.12/18,998,423.64 = 7,571,948.04/x
  3. Step 3: Cross multiply
    13,766,640.12x = 18,998,423.64 × 7,571,948.04
  4. Step 4: Simplify right side
    13,766,640.12x = 143,855,076,643,987.66
  5. Step 5: Solve for x
    x = 143,855,076,643,987.66/13,766,640.12
  6. Step 6: Final answer
    x = 10,449,541.46

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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.