Home / 10,164,933.84-14,027,809.32-5,581,215.12

Finding the Fourth Proportional to 10,164,933.84, 14,027,809.32 and 5,581,215.12

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Solution

The fourth proportional to 10,164,933.84, 14,027,809.32 and 5,581,215.12 is: 7,702,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164,933.84 : 14,027,809.32 = 5,581,215.12 : x
  2. Step 2: Convert to fraction form
    10,164,933.84/14,027,809.32 = 5,581,215.12/x
  3. Step 3: Cross multiply
    10,164,933.84x = 14,027,809.32 × 5,581,215.12
  4. Step 4: Simplify right side
    10,164,933.84x = 78,292,221,477,260.92
  5. Step 5: Solve for x
    x = 78,292,221,477,260.92/10,164,933.84
  6. Step 6: Final answer
    x = 7,702,187.02

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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.