Home / 7,990,856.64-11,030,380.91-5,237,721.42

Finding the Fourth Proportional to 7,990,856.64, 11,030,380.91 and 5,237,721.42

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Solution

The fourth proportional to 7,990,856.64, 11,030,380.91 and 5,237,721.42 is: 7,230,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,856.64 : 11,030,380.91 = 5,237,721.42 : x
  2. Step 2: Convert to fraction form
    7,990,856.64/11,030,380.91 = 5,237,721.42/x
  3. Step 3: Cross multiply
    7,990,856.64x = 11,030,380.91 × 5,237,721.42
  4. Step 4: Simplify right side
    7,990,856.64x = 57,774,062,363,066.09
  5. Step 5: Solve for x
    x = 57,774,062,363,066.09/7,990,856.64
  6. Step 6: Final answer
    x = 7,230,021.13

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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.