Home / 9,109,378.82-12,570,943.36-4,979,426.32

Finding the Fourth Proportional to 9,109,378.82, 12,570,943.36 and 4,979,426.32

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Solution

The fourth proportional to 9,109,378.82, 12,570,943.36 and 4,979,426.32 is: 6,871,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,378.82 : 12,570,943.36 = 4,979,426.32 : x
  2. Step 2: Convert to fraction form
    9,109,378.82/12,570,943.36 = 4,979,426.32/x
  3. Step 3: Cross multiply
    9,109,378.82x = 12,570,943.36 × 4,979,426.32
  4. Step 4: Simplify right side
    9,109,378.82x = 62,596,086,171,158.52
  5. Step 5: Solve for x
    x = 62,596,086,171,158.52/9,109,378.82
  6. Step 6: Final answer
    x = 6,871,608.64

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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.