Home / 31,171,911.32-43,015,392.41-17,232,435.07

Finding the Fourth Proportional to 31,171,911.32, 43,015,392.41 and 17,232,435.07

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Solution

The fourth proportional to 31,171,911.32, 43,015,392.41 and 17,232,435.07 is: 23,779,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,911.32 : 43,015,392.41 = 17,232,435.07 : x
  2. Step 2: Convert to fraction form
    31,171,911.32/43,015,392.41 = 17,232,435.07/x
  3. Step 3: Cross multiply
    31,171,911.32x = 43,015,392.41 × 17,232,435.07
  4. Step 4: Simplify right side
    31,171,911.32x = 741,259,956,861,089.25
  5. Step 5: Solve for x
    x = 741,259,956,861,089.25/31,171,911.32
  6. Step 6: Final answer
    x = 23,779,740.34

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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.