Home / 7,147,919.83-9,864,205.79-3,884,734.72

Finding the Fourth Proportional to 7,147,919.83, 9,864,205.79 and 3,884,734.72

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Solution

The fourth proportional to 7,147,919.83, 9,864,205.79 and 3,884,734.72 is: 5,360,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,919.83 : 9,864,205.79 = 3,884,734.72 : x
  2. Step 2: Convert to fraction form
    7,147,919.83/9,864,205.79 = 3,884,734.72/x
  3. Step 3: Cross multiply
    7,147,919.83x = 9,864,205.79 × 3,884,734.72
  4. Step 4: Simplify right side
    7,147,919.83x = 38,319,822,717,638.03
  5. Step 5: Solve for x
    x = 38,319,822,717,638.03/7,147,919.83
  6. Step 6: Final answer
    x = 5,360,975.45

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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.