Home / 9,570,721.56-13,207,129.74-5,703,156.60

Finding the Fourth Proportional to 9,570,721.56, 13,207,129.74 and 5,703,156.60

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Solution

The fourth proportional to 9,570,721.56, 13,207,129.74 and 5,703,156.60 is: 7,870,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,721.56 : 13,207,129.74 = 5,703,156.60 : x
  2. Step 2: Convert to fraction form
    9,570,721.56/13,207,129.74 = 5,703,156.60/x
  3. Step 3: Cross multiply
    9,570,721.56x = 13,207,129.74 × 5,703,156.60
  4. Step 4: Simplify right side
    9,570,721.56x = 75,322,329,143,737.28
  5. Step 5: Solve for x
    x = 75,322,329,143,737.28/9,570,721.56
  6. Step 6: Final answer
    x = 7,870,078.41

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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.