Home / 12,264,022.80-18,396,034.20-12,012,080.40

Finding the Fourth Proportional to 12,264,022.80, 18,396,034.20 and 12,012,080.40

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Solution

The fourth proportional to 12,264,022.80, 18,396,034.20 and 12,012,080.40 is: 18,018,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,022.80 : 18,396,034.20 = 12,012,080.40 : x
  2. Step 2: Convert to fraction form
    12,264,022.80/18,396,034.20 = 12,012,080.40/x
  3. Step 3: Cross multiply
    12,264,022.80x = 18,396,034.20 × 12,012,080.40
  4. Step 4: Simplify right side
    12,264,022.80x = 220,974,641,851,549.69
  5. Step 5: Solve for x
    x = 220,974,641,851,549.69/12,264,022.80
  6. Step 6: Final answer
    x = 18,018,120.60

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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.