Home / 12,777,584.52-17,634,612.96-7,272,298.02

Finding the Fourth Proportional to 12,777,584.52, 17,634,612.96 and 7,272,298.02

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Solution

The fourth proportional to 12,777,584.52, 17,634,612.96 and 7,272,298.02 is: 10,036,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,584.52 : 17,634,612.96 = 7,272,298.02 : x
  2. Step 2: Convert to fraction form
    12,777,584.52/17,634,612.96 = 7,272,298.02/x
  3. Step 3: Cross multiply
    12,777,584.52x = 17,634,612.96 × 7,272,298.02
  4. Step 4: Simplify right side
    12,777,584.52x = 128,244,160,912,474.34
  5. Step 5: Solve for x
    x = 128,244,160,912,474.34/12,777,584.52
  6. Step 6: Final answer
    x = 10,036,651.35

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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.