Home / 21,794,909.60-32,692,364.40-18,393,687.20

Finding the Fourth Proportional to 21,794,909.60, 32,692,364.40 and 18,393,687.20

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Solution

The fourth proportional to 21,794,909.60, 32,692,364.40 and 18,393,687.20 is: 27,590,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,909.60 : 32,692,364.40 = 18,393,687.20 : x
  2. Step 2: Convert to fraction form
    21,794,909.60/32,692,364.40 = 18,393,687.20/x
  3. Step 3: Cross multiply
    21,794,909.60x = 32,692,364.40 × 18,393,687.20
  4. Step 4: Simplify right side
    21,794,909.60x = 601,333,124,602,015.62
  5. Step 5: Solve for x
    x = 601,333,124,602,015.62/21,794,909.60
  6. Step 6: Final answer
    x = 27,590,530.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.