Home / 15,468,980.16-23,203,930.32-7,382,808.48

Finding the Fourth Proportional to 15,468,980.16, 23,203,930.32 and 7,382,808.48

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Solution

The fourth proportional to 15,468,980.16, 23,203,930.32 and 7,382,808.48 is: 11,074,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468,980.16 : 23,203,930.32 = 7,382,808.48 : x
  2. Step 2: Convert to fraction form
    15,468,980.16/23,203,930.32 = 7,382,808.48/x
  3. Step 3: Cross multiply
    15,468,980.16x = 23,203,930.32 × 7,382,808.48
  4. Step 4: Simplify right side
    15,468,980.16x = 171,310,173,535,825.12
  5. Step 5: Solve for x
    x = 171,310,173,535,825.12/15,468,980.16
  6. Step 6: Final answer
    x = 11,074,432.30

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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.