Home / 40,518,508.88-55,920,878.53-23,110,863.68

Finding the Fourth Proportional to 40,518,508.88, 55,920,878.53 and 23,110,863.68

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Solution

The fourth proportional to 40,518,508.88, 55,920,878.53 and 23,110,863.68 is: 31,896,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518,508.88 : 55,920,878.53 = 23,110,863.68 : x
  2. Step 2: Convert to fraction form
    40,518,508.88/55,920,878.53 = 23,110,863.68/x
  3. Step 3: Cross multiply
    40,518,508.88x = 55,920,878.53 × 23,110,863.68
  4. Step 4: Simplify right side
    40,518,508.88x = 1,292,379,800,235,287.25
  5. Step 5: Solve for x
    x = 1,292,379,800,235,287.25/40,518,508.88
  6. Step 6: Final answer
    x = 31,896,035.57

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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.