Home / 9,109,356.46-12,570,911.40-4,979,405.00

Finding the Fourth Proportional to 9,109,356.46, 12,570,911.40 and 4,979,405.00

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Solution

The fourth proportional to 9,109,356.46, 12,570,911.40 and 4,979,405.00 is: 6,871,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,356.46 : 12,570,911.40 = 4,979,405.00 : x
  2. Step 2: Convert to fraction form
    9,109,356.46/12,570,911.40 = 4,979,405.00/x
  3. Step 3: Cross multiply
    9,109,356.46x = 12,570,911.40 × 4,979,405.00
  4. Step 4: Simplify right side
    9,109,356.46x = 62,595,659,129,817.05
  5. Step 5: Solve for x
    x = 62,595,659,129,817.05/9,109,356.46
  6. Step 6: Final answer
    x = 6,871,578.63

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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.