Home / 13,561,416.79-18,715,092.62-7,366,461.59

Finding the Fourth Proportional to 13,561,416.79, 18,715,092.62 and 7,366,461.59

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Solution

The fourth proportional to 13,561,416.79, 18,715,092.62 and 7,366,461.59 is: 10,165,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,416.79 : 18,715,092.62 = 7,366,461.59 : x
  2. Step 2: Convert to fraction form
    13,561,416.79/18,715,092.62 = 7,366,461.59/x
  3. Step 3: Cross multiply
    13,561,416.79x = 18,715,092.62 × 7,366,461.59
  4. Step 4: Simplify right side
    13,561,416.79x = 137,864,010,948,477.88
  5. Step 5: Solve for x
    x = 137,864,010,948,477.88/13,561,416.79
  6. Step 6: Final answer
    x = 10,165,900.30

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1.5x scale

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.