Home / 8,071,701.81-12,101,875.78-3,749,162.70

Finding the Fourth Proportional to 8,071,701.81, 12,101,875.78 and 3,749,162.70

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Solution

The fourth proportional to 8,071,701.81, 12,101,875.78 and 3,749,162.70 is: 5,621,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,701.81 : 12,101,875.78 = 3,749,162.70 : x
  2. Step 2: Convert to fraction form
    8,071,701.81/12,101,875.78 = 3,749,162.70/x
  3. Step 3: Cross multiply
    8,071,701.81x = 12,101,875.78 × 3,749,162.70
  4. Step 4: Simplify right side
    8,071,701.81x = 45,371,901,274,409.41
  5. Step 5: Solve for x
    x = 45,371,901,274,409.41/8,071,701.81
  6. Step 6: Final answer
    x = 5,621,107.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.