Home / 22,543,478.64-31,107,944.16-12,754,816.56

Finding the Fourth Proportional to 22,543,478.64, 31,107,944.16 and 12,754,816.56

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Solution

The fourth proportional to 22,543,478.64, 31,107,944.16 and 12,754,816.56 is: 17,600,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543,478.64 : 31,107,944.16 = 12,754,816.56 : x
  2. Step 2: Convert to fraction form
    22,543,478.64/31,107,944.16 = 12,754,816.56/x
  3. Step 3: Cross multiply
    22,543,478.64x = 31,107,944.16 × 12,754,816.56
  4. Step 4: Simplify right side
    22,543,478.64x = 396,776,121,319,523.31
  5. Step 5: Solve for x
    x = 396,776,121,319,523.31/22,543,478.64
  6. Step 6: Final answer
    x = 17,600,483.39

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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.