Home / 31,103,999.40-46,655,999.10-21,516,709.80

Finding the Fourth Proportional to 31,103,999.40, 46,655,999.10 and 21,516,709.80

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Solution

The fourth proportional to 31,103,999.40, 46,655,999.10 and 21,516,709.80 is: 32,275,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,999.40 : 46,655,999.10 = 21,516,709.80 : x
  2. Step 2: Convert to fraction form
    31,103,999.40/46,655,999.10 = 21,516,709.80/x
  3. Step 3: Cross multiply
    31,103,999.40x = 46,655,999.10 × 21,516,709.80
  4. Step 4: Simplify right side
    31,103,999.40x = 1,003,883,593,063,761.25
  5. Step 5: Solve for x
    x = 1,003,883,593,063,761.25/31,103,999.40
  6. Step 6: Final answer
    x = 32,275,064.70

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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.