Home / 23,119,254.38-31,905,621.42-12,805,976.36

Finding the Fourth Proportional to 23,119,254.38, 31,905,621.42 and 12,805,976.36

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Solution

The fourth proportional to 23,119,254.38, 31,905,621.42 and 12,805,976.36 is: 17,672,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119,254.38 : 31,905,621.42 = 12,805,976.36 : x
  2. Step 2: Convert to fraction form
    23,119,254.38/31,905,621.42 = 12,805,976.36/x
  3. Step 3: Cross multiply
    23,119,254.38x = 31,905,621.42 × 12,805,976.36
  4. Step 4: Simplify right side
    23,119,254.38x = 408,582,633,655,629.62
  5. Step 5: Solve for x
    x = 408,582,633,655,629.62/23,119,254.38
  6. Step 6: Final answer
    x = 17,672,829.19

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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.