Home / 14,069,288.72-20,985,643.72-12,777,690.26

Finding the Fourth Proportional to 14,069,288.72, 20,985,643.72 and 12,777,690.26

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Solution

The fourth proportional to 14,069,288.72, 20,985,643.72 and 12,777,690.26 is: 19,059,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069,288.72 : 20,985,643.72 = 12,777,690.26 : x
  2. Step 2: Convert to fraction form
    14,069,288.72/20,985,643.72 = 12,777,690.26/x
  3. Step 3: Cross multiply
    14,069,288.72x = 20,985,643.72 × 12,777,690.26
  4. Step 4: Simplify right side
    14,069,288.72x = 268,148,055,360,874.16
  5. Step 5: Solve for x
    x = 268,148,055,360,874.16/14,069,288.72
  6. Step 6: Final answer
    x = 19,059,105.31

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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.