Home / 7,623,969.93-10,521,078.55-4,186,210.97

Finding the Fourth Proportional to 7,623,969.93, 10,521,078.55 and 4,186,210.97

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Solution

The fourth proportional to 7,623,969.93, 10,521,078.55 and 4,186,210.97 is: 5,776,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,969.93 : 10,521,078.55 = 4,186,210.97 : x
  2. Step 2: Convert to fraction form
    7,623,969.93/10,521,078.55 = 4,186,210.97/x
  3. Step 3: Cross multiply
    7,623,969.93x = 10,521,078.55 × 4,186,210.97
  4. Step 4: Simplify right side
    7,623,969.93x = 44,043,454,458,078.86
  5. Step 5: Solve for x
    x = 44,043,454,458,078.86/7,623,969.93
  6. Step 6: Final answer
    x = 5,776,971.17

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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.