Home / 7,161,349.76-9,882,788.64-3,898,258.28

Finding the Fourth Proportional to 7,161,349.76, 9,882,788.64 and 3,898,258.28

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Solution

The fourth proportional to 7,161,349.76, 9,882,788.64 and 3,898,258.28 is: 5,379,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,349.76 : 9,882,788.64 = 3,898,258.28 : x
  2. Step 2: Convert to fraction form
    7,161,349.76/9,882,788.64 = 3,898,258.28/x
  3. Step 3: Cross multiply
    7,161,349.76x = 9,882,788.64 × 3,898,258.28
  4. Step 4: Simplify right side
    7,161,349.76x = 38,525,662,645,369.94
  5. Step 5: Solve for x
    x = 38,525,662,645,369.94/7,161,349.76
  6. Step 6: Final answer
    x = 5,379,665.00

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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.