Home / 28,773,808.76-39,707,386.83-15,720,786.74

Finding the Fourth Proportional to 28,773,808.76, 39,707,386.83 and 15,720,786.74

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Solution

The fourth proportional to 28,773,808.76, 39,707,386.83 and 15,720,786.74 is: 21,694,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,808.76 : 39,707,386.83 = 15,720,786.74 : x
  2. Step 2: Convert to fraction form
    28,773,808.76/39,707,386.83 = 15,720,786.74/x
  3. Step 3: Cross multiply
    28,773,808.76x = 39,707,386.83 × 15,720,786.74
  4. Step 4: Simplify right side
    28,773,808.76x = 624,231,360,158,577.62
  5. Step 5: Solve for x
    x = 624,231,360,158,577.62/28,773,808.76
  6. Step 6: Final answer
    x = 21,694,429.31

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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.