Home / 12,366,959.10-18,550,438.65-10,382,912.70

Finding the Fourth Proportional to 12,366,959.10, 18,550,438.65 and 10,382,912.70

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Solution

The fourth proportional to 12,366,959.10, 18,550,438.65 and 10,382,912.70 is: 15,574,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,959.10 : 18,550,438.65 = 10,382,912.70 : x
  2. Step 2: Convert to fraction form
    12,366,959.10/18,550,438.65 = 10,382,912.70/x
  3. Step 3: Cross multiply
    12,366,959.10x = 18,550,438.65 × 10,382,912.70
  4. Step 4: Simplify right side
    12,366,959.10x = 192,607,585,049,655.81
  5. Step 5: Solve for x
    x = 192,607,585,049,655.81/12,366,959.10
  6. Step 6: Final answer
    x = 15,574,369.05

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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.