Home / 9,128,732.78-12,598,044.81-5,054,351.78

Finding the Fourth Proportional to 9,128,732.78, 12,598,044.81 and 5,054,351.78

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Solution

The fourth proportional to 9,128,732.78, 12,598,044.81 and 5,054,351.78 is: 6,975,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,732.78 : 12,598,044.81 = 5,054,351.78 : x
  2. Step 2: Convert to fraction form
    9,128,732.78/12,598,044.81 = 5,054,351.78/x
  3. Step 3: Cross multiply
    9,128,732.78x = 12,598,044.81 × 5,054,351.78
  4. Step 4: Simplify right side
    9,128,732.78x = 63,674,950,209,943.27
  5. Step 5: Solve for x
    x = 63,674,950,209,943.27/9,128,732.78
  6. Step 6: Final answer
    x = 6,975,223.37

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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.