Home / 13,039,640.32-17,993,803.56-7,237,965.40

Finding the Fourth Proportional to 13,039,640.32, 17,993,803.56 and 7,237,965.40

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Solution

The fourth proportional to 13,039,640.32, 17,993,803.56 and 7,237,965.40 is: 9,987,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,640.32 : 17,993,803.56 = 7,237,965.40 : x
  2. Step 2: Convert to fraction form
    13,039,640.32/17,993,803.56 = 7,237,965.40/x
  3. Step 3: Cross multiply
    13,039,640.32x = 17,993,803.56 × 7,237,965.40
  4. Step 4: Simplify right side
    13,039,640.32x = 130,238,527,581,676.83
  5. Step 5: Solve for x
    x = 130,238,527,581,676.83/13,039,640.32
  6. Step 6: Final answer
    x = 9,987,892.64

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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.