Home / 7,296,111.45-10,068,632.71-3,988,417.93

Finding the Fourth Proportional to 7,296,111.45, 10,068,632.71 and 3,988,417.93

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Solution

The fourth proportional to 7,296,111.45, 10,068,632.71 and 3,988,417.93 is: 5,504,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296,111.45 : 10,068,632.71 = 3,988,417.93 : x
  2. Step 2: Convert to fraction form
    7,296,111.45/10,068,632.71 = 3,988,417.93/x
  3. Step 3: Cross multiply
    7,296,111.45x = 10,068,632.71 × 3,988,417.93
  4. Step 4: Simplify right side
    7,296,111.45x = 40,157,915,196,005.87
  5. Step 5: Solve for x
    x = 40,157,915,196,005.87/7,296,111.45
  6. Step 6: Final answer
    x = 5,504,016.14

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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.