Home / 12,283,278.80-18,424,918.20-5,890,240.40

Finding the Fourth Proportional to 12,283,278.80, 18,424,918.20 and 5,890,240.40

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Solution

The fourth proportional to 12,283,278.80, 18,424,918.20 and 5,890,240.40 is: 8,835,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,278.80 : 18,424,918.20 = 5,890,240.40 : x
  2. Step 2: Convert to fraction form
    12,283,278.80/18,424,918.20 = 5,890,240.40/x
  3. Step 3: Cross multiply
    12,283,278.80x = 18,424,918.20 × 5,890,240.40
  4. Step 4: Simplify right side
    12,283,278.80x = 108,527,197,548,335.28
  5. Step 5: Solve for x
    x = 108,527,197,548,335.28/12,283,278.80
  6. Step 6: Final answer
    x = 8,835,360.60

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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.