Home / 10,008,918.36-13,812,313.39-5,425,239.74

Finding the Fourth Proportional to 10,008,918.36, 13,812,313.39 and 5,425,239.74

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Solution

The fourth proportional to 10,008,918.36, 13,812,313.39 and 5,425,239.74 is: 7,486,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,918.36 : 13,812,313.39 = 5,425,239.74 : x
  2. Step 2: Convert to fraction form
    10,008,918.36/13,812,313.39 = 5,425,239.74/x
  3. Step 3: Cross multiply
    10,008,918.36x = 13,812,313.39 × 5,425,239.74
  4. Step 4: Simplify right side
    10,008,918.36x = 74,935,111,422,137.45
  5. Step 5: Solve for x
    x = 74,935,111,422,137.45/10,008,918.36
  6. Step 6: Final answer
    x = 7,486,834.11

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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.