Home / 51,324,367.04-70,827,624.48-28,120,373.12

Finding the Fourth Proportional to 51,324,367.04, 70,827,624.48 and 28,120,373.12

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Solution

The fourth proportional to 51,324,367.04, 70,827,624.48 and 28,120,373.12 is: 38,806,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324,367.04 : 70,827,624.48 = 28,120,373.12 : x
  2. Step 2: Convert to fraction form
    51,324,367.04/70,827,624.48 = 28,120,373.12/x
  3. Step 3: Cross multiply
    51,324,367.04x = 70,827,624.48 × 28,120,373.12
  4. Step 4: Simplify right side
    51,324,367.04x = 1,991,699,227,580,846.25
  5. Step 5: Solve for x
    x = 1,991,699,227,580,846.25/51,324,367.04
  6. Step 6: Final answer
    x = 38,806,113.79

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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.