Home / 8,370,929.70-11,553,145.20-5,109,634.98

Finding the Fourth Proportional to 8,370,929.70, 11,553,145.20 and 5,109,634.98

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Solution

The fourth proportional to 8,370,929.70, 11,553,145.20 and 5,109,634.98 is: 7,052,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370,929.70 : 11,553,145.20 = 5,109,634.98 : x
  2. Step 2: Convert to fraction form
    8,370,929.70/11,553,145.20 = 5,109,634.98/x
  3. Step 3: Cross multiply
    8,370,929.70x = 11,553,145.20 × 5,109,634.98
  4. Step 4: Simplify right side
    8,370,929.70x = 59,032,354,842,939.09
  5. Step 5: Solve for x
    x = 59,032,354,842,939.09/8,370,929.70
  6. Step 6: Final answer
    x = 7,052,066.73

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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.