Home / 38,115,813.54-52,599,782.82-20,712,117.24

Finding the Fourth Proportional to 38,115,813.54, 52,599,782.82 and 20,712,117.24

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Solution

The fourth proportional to 38,115,813.54, 52,599,782.82 and 20,712,117.24 is: 28,582,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115,813.54 : 52,599,782.82 = 20,712,117.24 : x
  2. Step 2: Convert to fraction form
    38,115,813.54/52,599,782.82 = 20,712,117.24/x
  3. Step 3: Cross multiply
    38,115,813.54x = 52,599,782.82 × 20,712,117.24
  4. Step 4: Simplify right side
    38,115,813.54x = 1,089,452,868,566,377.75
  5. Step 5: Solve for x
    x = 1,089,452,868,566,377.75/38,115,813.54
  6. Step 6: Final answer
    x = 28,582,700.13

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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.