Home / 28,774,020.06-39,707,677.98-15,720,998.04

Finding the Fourth Proportional to 28,774,020.06, 39,707,677.98 and 15,720,998.04

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Solution

The fourth proportional to 28,774,020.06, 39,707,677.98 and 15,720,998.04 is: 21,694,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,020.06 : 39,707,677.98 = 15,720,998.04 : x
  2. Step 2: Convert to fraction form
    28,774,020.06/39,707,677.98 = 15,720,998.04/x
  3. Step 3: Cross multiply
    28,774,020.06x = 39,707,677.98 × 15,720,998.04
  4. Step 4: Simplify right side
    28,774,020.06x = 624,244,327,696,531.12
  5. Step 5: Solve for x
    x = 624,244,327,696,531.12/28,774,020.06
  6. Step 6: Final answer
    x = 21,694,720.67

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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.