Home / 31,121,427.60-46,650,648.60-18,335,350.80

Finding the Fourth Proportional to 31,121,427.60, 46,650,648.60 and 18,335,350.80

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Solution

The fourth proportional to 31,121,427.60, 46,650,648.60 and 18,335,350.80 is: 27,484,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,427.60 : 46,650,648.60 = 18,335,350.80 : x
  2. Step 2: Convert to fraction form
    31,121,427.60/46,650,648.60 = 18,335,350.80/x
  3. Step 3: Cross multiply
    31,121,427.60x = 46,650,648.60 × 18,335,350.80
  4. Step 4: Simplify right side
    31,121,427.60x = 855,356,007,128,529
  5. Step 5: Solve for x
    x = 855,356,007,128,529/31,121,427.60
  6. Step 6: Final answer
    x = 27,484,472.05

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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.