Home / 12,366,937.60-18,550,406.40-10,382,891.20

Finding the Fourth Proportional to 12,366,937.60, 18,550,406.40 and 10,382,891.20

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Solution

The fourth proportional to 12,366,937.60, 18,550,406.40 and 10,382,891.20 is: 15,574,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,937.60 : 18,550,406.40 = 10,382,891.20 : x
  2. Step 2: Convert to fraction form
    12,366,937.60/18,550,406.40 = 10,382,891.20/x
  3. Step 3: Cross multiply
    12,366,937.60x = 18,550,406.40 × 10,382,891.20
  4. Step 4: Simplify right side
    12,366,937.60x = 192,606,851,366,983.66
  5. Step 5: Solve for x
    x = 192,606,851,366,983.66/12,366,937.60
  6. Step 6: Final answer
    x = 15,574,336.80

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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.