Home / 15,978,290.31-22,050,473.67-9,783,219.15

Finding the Fourth Proportional to 15,978,290.31, 22,050,473.67 and 9,783,219.15

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Solution

The fourth proportional to 15,978,290.31, 22,050,473.67 and 9,783,219.15 is: 13,501,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,290.31 : 22,050,473.67 = 9,783,219.15 : x
  2. Step 2: Convert to fraction form
    15,978,290.31/22,050,473.67 = 9,783,219.15/x
  3. Step 3: Cross multiply
    15,978,290.31x = 22,050,473.67 × 9,783,219.15
  4. Step 4: Simplify right side
    15,978,290.31x = 215,724,616,274,914.81
  5. Step 5: Solve for x
    x = 215,724,616,274,914.81/15,978,290.31
  6. Step 6: Final answer
    x = 13,501,107.57

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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.