Home / 14,069,287.72-20,985,642.23-12,777,689.26

Finding the Fourth Proportional to 14,069,287.72, 20,985,642.23 and 12,777,689.26

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Solution

The fourth proportional to 14,069,287.72, 20,985,642.23 and 12,777,689.26 is: 19,059,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069,287.72 : 20,985,642.23 = 12,777,689.26 : x
  2. Step 2: Convert to fraction form
    14,069,287.72/20,985,642.23 = 12,777,689.26/x
  3. Step 3: Cross multiply
    14,069,287.72x = 20,985,642.23 × 12,777,689.26
  4. Step 4: Simplify right side
    14,069,287.72x = 268,148,015,336,473.44
  5. Step 5: Solve for x
    x = 268,148,015,336,473.44/14,069,287.72
  6. Step 6: Final answer
    x = 19,059,103.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.