Home / 20,351,829.84-28,085,700.29-11,059,398.06

Finding the Fourth Proportional to 20,351,829.84, 28,085,700.29 and 11,059,398.06

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Solution

The fourth proportional to 20,351,829.84, 28,085,700.29 and 11,059,398.06 is: 15,262,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,829.84 : 28,085,700.29 = 11,059,398.06 : x
  2. Step 2: Convert to fraction form
    20,351,829.84/28,085,700.29 = 11,059,398.06/x
  3. Step 3: Cross multiply
    20,351,829.84x = 28,085,700.29 × 11,059,398.06
  4. Step 4: Simplify right side
    20,351,829.84x = 310,610,939,245,670.44
  5. Step 5: Solve for x
    x = 310,610,939,245,670.44/20,351,829.84
  6. Step 6: Final answer
    x = 15,262,064.48

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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.