Home / 13,545,560.88-18,692,886.77-7,744,464.10

Finding the Fourth Proportional to 13,545,560.88, 18,692,886.77 and 7,744,464.10

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Solution

The fourth proportional to 13,545,560.88, 18,692,886.77 and 7,744,464.10 is: 10,687,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,560.88 : 18,692,886.77 = 7,744,464.10 : x
  2. Step 2: Convert to fraction form
    13,545,560.88/18,692,886.77 = 7,744,464.10/x
  3. Step 3: Cross multiply
    13,545,560.88x = 18,692,886.77 × 7,744,464.10
  4. Step 4: Simplify right side
    13,545,560.88x = 144,766,390,572,878.09
  5. Step 5: Solve for x
    x = 144,766,390,572,878.09/13,545,560.88
  6. Step 6: Final answer
    x = 10,687,367.76

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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.