Home / 9,313,715.79-13,972,880.30-4,459,715.78

Finding the Fourth Proportional to 9,313,715.79, 13,972,880.30 and 4,459,715.78

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Solution

The fourth proportional to 9,313,715.79, 13,972,880.30 and 4,459,715.78 is: 6,690,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313,715.79 : 13,972,880.30 = 4,459,715.78 : x
  2. Step 2: Convert to fraction form
    9,313,715.79/13,972,880.30 = 4,459,715.78/x
  3. Step 3: Cross multiply
    9,313,715.79x = 13,972,880.30 × 4,459,715.78
  4. Step 4: Simplify right side
    9,313,715.79x = 62,315,074,673,798.16
  5. Step 5: Solve for x
    x = 62,315,074,673,798.16/9,313,715.79
  6. Step 6: Final answer
    x = 6,690,678.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.