Home / 12,529,315.60-18,793,973.40-10,986,557.20

Finding the Fourth Proportional to 12,529,315.60, 18,793,973.40 and 10,986,557.20

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Solution

The fourth proportional to 12,529,315.60, 18,793,973.40 and 10,986,557.20 is: 16,479,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,315.60 : 18,793,973.40 = 10,986,557.20 : x
  2. Step 2: Convert to fraction form
    12,529,315.60/18,793,973.40 = 10,986,557.20/x
  3. Step 3: Cross multiply
    12,529,315.60x = 18,793,973.40 × 10,986,557.20
  4. Step 4: Simplify right side
    12,529,315.60x = 206,481,063,774,378.44
  5. Step 5: Solve for x
    x = 206,481,063,774,378.44/12,529,315.60
  6. Step 6: Final answer
    x = 16,479,835.80

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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.