Home / 18,349,240.80-27,539,607.60-8,129,827.20

Finding the Fourth Proportional to 18,349,240.80, 27,539,607.60 and 8,129,827.20

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Solution

The fourth proportional to 18,349,240.80, 27,539,607.60 and 8,129,827.20 is: 12,201,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,240.80 : 27,539,607.60 = 8,129,827.20 : x
  2. Step 2: Convert to fraction form
    18,349,240.80/27,539,607.60 = 8,129,827.20/x
  3. Step 3: Cross multiply
    18,349,240.80x = 27,539,607.60 × 8,129,827.20
  4. Step 4: Simplify right side
    18,349,240.80x = 223,892,250,943,806.75
  5. Step 5: Solve for x
    x = 223,892,250,943,806.75/18,349,240.80
  6. Step 6: Final answer
    x = 12,201,717.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.