Home / 40,386,630.42-55,733,329.53-22,051,784.70

Finding the Fourth Proportional to 40,386,630.42, 55,733,329.53 and 22,051,784.70

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Solution

The fourth proportional to 40,386,630.42, 55,733,329.53 and 22,051,784.70 is: 30,431,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386,630.42 : 55,733,329.53 = 22,051,784.70 : x
  2. Step 2: Convert to fraction form
    40,386,630.42/55,733,329.53 = 22,051,784.70/x
  3. Step 3: Cross multiply
    40,386,630.42x = 55,733,329.53 × 22,051,784.70
  4. Step 4: Simplify right side
    40,386,630.42x = 1,229,019,383,409,712.25
  5. Step 5: Solve for x
    x = 1,229,019,383,409,712.25/40,386,630.42
  6. Step 6: Final answer
    x = 30,431,342.52

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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.