Home / 7,148,587.05-10,728,196.16-2,888,792.19

Finding the Fourth Proportional to 7,148,587.05, 10,728,196.16 and 2,888,792.19

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Solution

The fourth proportional to 7,148,587.05, 10,728,196.16 and 2,888,792.19 is: 4,335,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,587.05 : 10,728,196.16 = 2,888,792.19 : x
  2. Step 2: Convert to fraction form
    7,148,587.05/10,728,196.16 = 2,888,792.19/x
  3. Step 3: Cross multiply
    7,148,587.05x = 10,728,196.16 × 2,888,792.19
  4. Step 4: Simplify right side
    7,148,587.05x = 30,991,529,265,352.03
  5. Step 5: Solve for x
    x = 30,991,529,265,352.03/7,148,587.05
  6. Step 6: Final answer
    x = 4,335,336.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.