Home / 31,956,314.81-47,858,383.69-20,406,005.17

Finding the Fourth Proportional to 31,956,314.81, 47,858,383.69 and 20,406,005.17

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Solution

The fourth proportional to 31,956,314.81, 47,858,383.69 and 20,406,005.17 is: 30,560,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956,314.81 : 47,858,383.69 = 20,406,005.17 : x
  2. Step 2: Convert to fraction form
    31,956,314.81/47,858,383.69 = 20,406,005.17/x
  3. Step 3: Cross multiply
    31,956,314.81x = 47,858,383.69 × 20,406,005.17
  4. Step 4: Simplify right side
    31,956,314.81x = 976,598,424,835,322.75
  5. Step 5: Solve for x
    x = 976,598,424,835,322.75/31,956,314.81
  6. Step 6: Final answer
    x = 30,560,420.71

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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.