Home / 40,781,987.03-56,283,934.41-22,903,145.69

Finding the Fourth Proportional to 40,781,987.03, 56,283,934.41 and 22,903,145.69

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Solution

The fourth proportional to 40,781,987.03, 56,283,934.41 and 22,903,145.69 is: 31,609,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781,987.03 : 56,283,934.41 = 22,903,145.69 : x
  2. Step 2: Convert to fraction form
    40,781,987.03/56,283,934.41 = 22,903,145.69/x
  3. Step 3: Cross multiply
    40,781,987.03x = 56,283,934.41 × 22,903,145.69
  4. Step 4: Simplify right side
    40,781,987.03x = 1,289,079,149,684,118.50
  5. Step 5: Solve for x
    x = 1,289,079,149,684,118.50/40,781,987.03
  6. Step 6: Final answer
    x = 31,609,032.41

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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.