Home / 7,148,055.98-9,864,382.38-3,884,879

Finding the Fourth Proportional to 7,148,055.98, 9,864,382.38 and 3,884,879

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Solution

The fourth proportional to 7,148,055.98, 9,864,382.38 and 3,884,879 is: 5,361,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,055.98 : 9,864,382.38 = 3,884,879 : x
  2. Step 2: Convert to fraction form
    7,148,055.98/9,864,382.38 = 3,884,879/x
  3. Step 3: Cross multiply
    7,148,055.98x = 9,864,382.38 × 3,884,879
  4. Step 4: Simplify right side
    7,148,055.98x = 38,321,931,956,032.02
  5. Step 5: Solve for x
    x = 38,321,931,956,032.02/7,148,055.98
  6. Step 6: Final answer
    x = 5,361,168.42

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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.