Home / 9,768,324.29-13,481,115.61-5,418,812.01

Finding the Fourth Proportional to 9,768,324.29, 13,481,115.61 and 5,418,812.01

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Solution

The fourth proportional to 9,768,324.29, 13,481,115.61 and 5,418,812.01 is: 7,478,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,324.29 : 13,481,115.61 = 5,418,812.01 : x
  2. Step 2: Convert to fraction form
    9,768,324.29/13,481,115.61 = 5,418,812.01/x
  3. Step 3: Cross multiply
    9,768,324.29x = 13,481,115.61 × 5,418,812.01
  4. Step 4: Simplify right side
    9,768,324.29x = 73,051,631,175,666.47
  5. Step 5: Solve for x
    x = 73,051,631,175,666.47/9,768,324.29
  6. Step 6: Final answer
    x = 7,478,419.94

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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.