Home / 9,781,649.55-13,498,149.30-5,430,455.85

Finding the Fourth Proportional to 9,781,649.55, 13,498,149.30 and 5,430,455.85

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Solution

The fourth proportional to 9,781,649.55, 13,498,149.30 and 5,430,455.85 is: 7,493,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,649.55 : 13,498,149.30 = 5,430,455.85 : x
  2. Step 2: Convert to fraction form
    9,781,649.55/13,498,149.30 = 5,430,455.85/x
  3. Step 3: Cross multiply
    9,781,649.55x = 13,498,149.30 × 5,430,455.85
  4. Step 4: Simplify right side
    9,781,649.55x = 73,301,103,830,358.41
  5. Step 5: Solve for x
    x = 73,301,103,830,358.41/9,781,649.55
  6. Step 6: Final answer
    x = 7,493,736.46

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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.