Home / 11,871,444.18-17,808,456.60-3,782,518.50

Finding the Fourth Proportional to 11,871,444.18, 17,808,456.60 and 3,782,518.50

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Solution

The fourth proportional to 11,871,444.18, 17,808,456.60 and 3,782,518.50 is: 5,674,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,444.18 : 17,808,456.60 = 3,782,518.50 : x
  2. Step 2: Convert to fraction form
    11,871,444.18/17,808,456.60 = 3,782,518.50/x
  3. Step 3: Cross multiply
    11,871,444.18x = 17,808,456.60 × 3,782,518.50
  4. Step 4: Simplify right side
    11,871,444.18x = 67,360,816,545,947.11
  5. Step 5: Solve for x
    x = 67,360,816,545,947.11/11,871,444.18
  6. Step 6: Final answer
    x = 5,674,188.88

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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.