Home / 34,085,021.86-47,038,490.91-20,158,315.21

Finding the Fourth Proportional to 34,085,021.86, 47,038,490.91 and 20,158,315.21

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Solution

The fourth proportional to 34,085,021.86, 47,038,490.91 and 20,158,315.21 is: 27,819,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,021.86 : 47,038,490.91 = 20,158,315.21 : x
  2. Step 2: Convert to fraction form
    34,085,021.86/47,038,490.91 = 20,158,315.21/x
  3. Step 3: Cross multiply
    34,085,021.86x = 47,038,490.91 × 20,158,315.21
  4. Step 4: Simplify right side
    34,085,021.86x = 948,216,726,665,708.25
  5. Step 5: Solve for x
    x = 948,216,726,665,708.25/34,085,021.86
  6. Step 6: Final answer
    x = 27,819,161.47

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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.