Home / 18,382,235.69-25,367,485.25-10,122,278.28

Finding the Fourth Proportional to 18,382,235.69, 25,367,485.25 and 10,122,278.28

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Solution

The fourth proportional to 18,382,235.69, 25,367,485.25 and 10,122,278.28 is: 13,968,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,235.69 : 25,367,485.25 = 10,122,278.28 : x
  2. Step 2: Convert to fraction form
    18,382,235.69/25,367,485.25 = 10,122,278.28/x
  3. Step 3: Cross multiply
    18,382,235.69x = 25,367,485.25 × 10,122,278.28
  4. Step 4: Simplify right side
    18,382,235.69x = 256,776,744,989,601.06
  5. Step 5: Solve for x
    x = 256,776,744,989,601.06/18,382,235.69
  6. Step 6: Final answer
    x = 13,968,744.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.