Home / 9,591,278.42-13,235,809.78-5,240,271.36

Finding the Fourth Proportional to 9,591,278.42, 13,235,809.78 and 5,240,271.36

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Solution

The fourth proportional to 9,591,278.42, 13,235,809.78 and 5,240,271.36 is: 7,231,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,278.42 : 13,235,809.78 = 5,240,271.36 : x
  2. Step 2: Convert to fraction form
    9,591,278.42/13,235,809.78 = 5,240,271.36/x
  3. Step 3: Cross multiply
    9,591,278.42x = 13,235,809.78 × 5,240,271.36
  4. Step 4: Simplify right side
    9,591,278.42x = 69,359,234,916,541.90
  5. Step 5: Solve for x
    x = 69,359,234,916,541.90/9,591,278.42
  6. Step 6: Final answer
    x = 7,231,490.10

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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.