Home / 31,872,218-47,808,501.96-7,937,690

Finding the Fourth Proportional to 31,872,218, 47,808,501.96 and 7,937,690

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Solution

The fourth proportional to 31,872,218, 47,808,501.96 and 7,937,690 is: 11,906,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,218 : 47,808,501.96 = 7,937,690 : x
  2. Step 2: Convert to fraction form
    31,872,218/47,808,501.96 = 7,937,690/x
  3. Step 3: Cross multiply
    31,872,218x = 47,808,501.96 × 7,937,690
  4. Step 4: Simplify right side
    31,872,218x = 379,489,067,922,872.44
  5. Step 5: Solve for x
    x = 379,489,067,922,872.44/31,872,218
  6. Step 6: Final answer
    x = 11,906,578.57

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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.