Home / 9,212,508-12,713,261.04-5,138,130.24

Finding the Fourth Proportional to 9,212,508, 12,713,261.04 and 5,138,130.24

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Solution

The fourth proportional to 9,212,508, 12,713,261.04 and 5,138,130.24 is: 7,090,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,508 : 12,713,261.04 = 5,138,130.24 : x
  2. Step 2: Convert to fraction form
    9,212,508/12,713,261.04 = 5,138,130.24/x
  3. Step 3: Cross multiply
    9,212,508x = 12,713,261.04 × 5,138,130.24
  4. Step 4: Simplify right side
    9,212,508x = 65,322,390,998,637.85
  5. Step 5: Solve for x
    x = 65,322,390,998,637.85/9,212,508
  6. Step 6: Final answer
    x = 7,090,619.73

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1.5x scale

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.