Home / 15,726,115.79-21,702,738.08-8,851,043.15

Finding the Fourth Proportional to 15,726,115.79, 21,702,738.08 and 8,851,043.15

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Solution

The fourth proportional to 15,726,115.79, 21,702,738.08 and 8,851,043.15 is: 12,214,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,115.79 : 21,702,738.08 = 8,851,043.15 : x
  2. Step 2: Convert to fraction form
    15,726,115.79/21,702,738.08 = 8,851,043.15/x
  3. Step 3: Cross multiply
    15,726,115.79x = 21,702,738.08 × 8,851,043.15
  4. Step 4: Simplify right side
    15,726,115.79x = 192,091,871,219,228.16
  5. Step 5: Solve for x
    x = 192,091,871,219,228.16/15,726,115.79
  6. Step 6: Final answer
    x = 12,214,832.56

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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.