Home / 22,903,278.86-31,605,724.62-12,589,928.16

Finding the Fourth Proportional to 22,903,278.86, 31,605,724.62 and 12,589,928.16

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Solution

The fourth proportional to 22,903,278.86, 31,605,724.62 and 12,589,928.16 is: 17,373,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903,278.86 : 31,605,724.62 = 12,589,928.16 : x
  2. Step 2: Convert to fraction form
    22,903,278.86/31,605,724.62 = 12,589,928.16/x
  3. Step 3: Cross multiply
    22,903,278.86x = 31,605,724.62 × 12,589,928.16
  4. Step 4: Simplify right side
    22,903,278.86x = 397,913,802,410,543.31
  5. Step 5: Solve for x
    x = 397,913,802,410,543.31/22,903,278.86
  6. Step 6: Final answer
    x = 17,373,660.99

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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.