Home / 9,215,587.43-12,717,816.12-5,029,501.54

Finding the Fourth Proportional to 9,215,587.43, 12,717,816.12 and 5,029,501.54

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Solution

The fourth proportional to 9,215,587.43, 12,717,816.12 and 5,029,501.54 is: 6,940,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,587.43 : 12,717,816.12 = 5,029,501.54 : x
  2. Step 2: Convert to fraction form
    9,215,587.43/12,717,816.12 = 5,029,501.54/x
  3. Step 3: Cross multiply
    9,215,587.43x = 12,717,816.12 × 5,029,501.54
  4. Step 4: Simplify right side
    9,215,587.43x = 63,964,275,697,810.25
  5. Step 5: Solve for x
    x = 63,964,275,697,810.25/9,215,587.43
  6. Step 6: Final answer
    x = 6,940,878.83

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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.