Home / 51,651,780.40-71,282,679.24-28,446,901.48

Finding the Fourth Proportional to 51,651,780.40, 71,282,679.24 and 28,446,901.48

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Solution

The fourth proportional to 51,651,780.40, 71,282,679.24 and 28,446,901.48 is: 39,258,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651,780.40 : 71,282,679.24 = 28,446,901.48 : x
  2. Step 2: Convert to fraction form
    51,651,780.40/71,282,679.24 = 28,446,901.48/x
  3. Step 3: Cross multiply
    51,651,780.40x = 71,282,679.24 × 28,446,901.48
  4. Step 4: Simplify right side
    51,651,780.40x = 2,027,771,353,570,721.25
  5. Step 5: Solve for x
    x = 2,027,771,353,570,721.25/51,651,780.40
  6. Step 6: Final answer
    x = 39,258,498.70

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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.