Home / 47,029,756.78-70,567,746.29-21,140,350.14

Finding the Fourth Proportional to 47,029,756.78, 70,567,746.29 and 21,140,350.14

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Solution

The fourth proportional to 47,029,756.78, 70,567,746.29 and 21,140,350.14 is: 31,720,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,756.78 : 70,567,746.29 = 21,140,350.14 : x
  2. Step 2: Convert to fraction form
    47,029,756.78/70,567,746.29 = 21,140,350.14/x
  3. Step 3: Cross multiply
    47,029,756.78x = 70,567,746.29 × 21,140,350.14
  4. Step 4: Simplify right side
    47,029,756.78x = 1,491,826,865,055,584.25
  5. Step 5: Solve for x
    x = 1,491,826,865,055,584.25/47,029,756.78
  6. Step 6: Final answer
    x = 31,720,913.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.