Home / 31,105,410.40-46,658,115.60-19,712,015.20

Finding the Fourth Proportional to 31,105,410.40, 46,658,115.60 and 19,712,015.20

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Solution

The fourth proportional to 31,105,410.40, 46,658,115.60 and 19,712,015.20 is: 29,568,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,105,410.40 : 46,658,115.60 = 19,712,015.20 : x
  2. Step 2: Convert to fraction form
    31,105,410.40/46,658,115.60 = 19,712,015.20/x
  3. Step 3: Cross multiply
    31,105,410.40x = 46,658,115.60 × 19,712,015.20
  4. Step 4: Simplify right side
    31,105,410.40x = 919,725,483,910,557.12
  5. Step 5: Solve for x
    x = 919,725,483,910,557.12/31,105,410.40
  6. Step 6: Final answer
    x = 29,568,022.80

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1.5x scale

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.