Home / 13,471,182.61-20,219,548.91-8,338,085.35

Finding the Fourth Proportional to 13,471,182.61, 20,219,548.91 and 8,338,085.35

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Solution

The fourth proportional to 13,471,182.61, 20,219,548.91 and 8,338,085.35 is: 12,515,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,182.61 : 20,219,548.91 = 8,338,085.35 : x
  2. Step 2: Convert to fraction form
    13,471,182.61/20,219,548.91 = 8,338,085.35/x
  3. Step 3: Cross multiply
    13,471,182.61x = 20,219,548.91 × 8,338,085.35
  4. Step 4: Simplify right side
    13,471,182.61x = 168,592,324,457,840.19
  5. Step 5: Solve for x
    x = 168,592,324,457,840.19/13,471,182.61
  6. Step 6: Final answer
    x = 12,515,035.20

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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.