Home / 15,481,855.01-21,365,508.29-8,513,063.34

Finding the Fourth Proportional to 15,481,855.01, 21,365,508.29 and 8,513,063.34

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Solution

The fourth proportional to 15,481,855.01, 21,365,508.29 and 8,513,063.34 is: 11,748,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481,855.01 : 21,365,508.29 = 8,513,063.34 : x
  2. Step 2: Convert to fraction form
    15,481,855.01/21,365,508.29 = 8,513,063.34/x
  3. Step 3: Cross multiply
    15,481,855.01x = 21,365,508.29 × 8,513,063.34
  4. Step 4: Simplify right side
    15,481,855.01x = 181,885,925,321,499.78
  5. Step 5: Solve for x
    x = 181,885,925,321,499.78/15,481,855.01
  6. Step 6: Final answer
    x = 11,748,328.95

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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.