Home / 7,857,639.03-10,842,955.67-4,419,215.76

Finding the Fourth Proportional to 7,857,639.03, 10,842,955.67 and 4,419,215.76

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Solution

The fourth proportional to 7,857,639.03, 10,842,955.67 and 4,419,215.76 is: 6,098,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,639.03 : 10,842,955.67 = 4,419,215.76 : x
  2. Step 2: Convert to fraction form
    7,857,639.03/10,842,955.67 = 4,419,215.76/x
  3. Step 3: Cross multiply
    7,857,639.03x = 10,842,955.67 × 4,419,215.76
  4. Step 4: Simplify right side
    7,857,639.03x = 47,917,360,581,845.36
  5. Step 5: Solve for x
    x = 47,917,360,581,845.36/7,857,639.03
  6. Step 6: Final answer
    x = 6,098,188.07

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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.