Home / 15,365,251.02-21,204,002.88-8,489,684.10

Finding the Fourth Proportional to 15,365,251.02, 21,204,002.88 and 8,489,684.10

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Solution

The fourth proportional to 15,365,251.02, 21,204,002.88 and 8,489,684.10 is: 11,715,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,251.02 : 21,204,002.88 = 8,489,684.10 : x
  2. Step 2: Convert to fraction form
    15,365,251.02/21,204,002.88 = 8,489,684.10/x
  3. Step 3: Cross multiply
    15,365,251.02x = 21,204,002.88 × 8,489,684.10
  4. Step 4: Simplify right side
    15,365,251.02x = 180,015,286,106,690.19
  5. Step 5: Solve for x
    x = 180,015,286,106,690.19/15,365,251.02
  6. Step 6: Final answer
    x = 11,715,740.01

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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.