Home / 35,520,031.20-53,280,046.80-18,513,919.20

Finding the Fourth Proportional to 35,520,031.20, 53,280,046.80 and 18,513,919.20

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Solution

The fourth proportional to 35,520,031.20, 53,280,046.80 and 18,513,919.20 is: 27,770,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520,031.20 : 53,280,046.80 = 18,513,919.20 : x
  2. Step 2: Convert to fraction form
    35,520,031.20/53,280,046.80 = 18,513,919.20/x
  3. Step 3: Cross multiply
    35,520,031.20x = 53,280,046.80 × 18,513,919.20
  4. Step 4: Simplify right side
    35,520,031.20x = 986,422,481,427,418.50
  5. Step 5: Solve for x
    x = 986,422,481,427,418.50/35,520,031.20
  6. Step 6: Final answer
    x = 27,770,878.80

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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.