Home / 31,565,868-47,212,019.70-18,581,073.12

Finding the Fourth Proportional to 31,565,868, 47,212,019.70 and 18,581,073.12

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Solution

The fourth proportional to 31,565,868, 47,212,019.70 and 18,581,073.12 is: 27,791,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565,868 : 47,212,019.70 = 18,581,073.12 : x
  2. Step 2: Convert to fraction form
    31,565,868/47,212,019.70 = 18,581,073.12/x
  3. Step 3: Cross multiply
    31,565,868x = 47,212,019.70 × 18,581,073.12
  4. Step 4: Simplify right side
    31,565,868x = 877,249,990,188,580.62
  5. Step 5: Solve for x
    x = 877,249,990,188,580.62/31,565,868
  6. Step 6: Final answer
    x = 27,791,093.54

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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.