Home / 7,243,277.57-9,995,690.28-3,980,082.81

Finding the Fourth Proportional to 7,243,277.57, 9,995,690.28 and 3,980,082.81

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Solution

The fourth proportional to 7,243,277.57, 9,995,690.28 and 3,980,082.81 is: 5,492,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,277.57 : 9,995,690.28 = 3,980,082.81 : x
  2. Step 2: Convert to fraction form
    7,243,277.57/9,995,690.28 = 3,980,082.81/x
  3. Step 3: Cross multiply
    7,243,277.57x = 9,995,690.28 × 3,980,082.81
  4. Step 4: Simplify right side
    7,243,277.57x = 39,783,675,057,512.09
  5. Step 5: Solve for x
    x = 39,783,675,057,512.09/7,243,277.57
  6. Step 6: Final answer
    x = 5,492,496.28

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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.