Home / 31,104,159.40-46,656,239.10-15,959,621.80

Finding the Fourth Proportional to 31,104,159.40, 46,656,239.10 and 15,959,621.80

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Solution

The fourth proportional to 31,104,159.40, 46,656,239.10 and 15,959,621.80 is: 23,939,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,159.40 : 46,656,239.10 = 15,959,621.80 : x
  2. Step 2: Convert to fraction form
    31,104,159.40/46,656,239.10 = 15,959,621.80/x
  3. Step 3: Cross multiply
    31,104,159.40x = 46,656,239.10 × 15,959,621.80
  4. Step 4: Simplify right side
    31,104,159.40x = 744,615,930,646,372.50
  5. Step 5: Solve for x
    x = 744,615,930,646,372.50/31,104,159.40
  6. Step 6: Final answer
    x = 23,939,432.70

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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.