Home / 20,571,216.15-30,856,510.38-5,009,190.57

Finding the Fourth Proportional to 20,571,216.15, 30,856,510.38 and 5,009,190.57

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Solution

The fourth proportional to 20,571,216.15, 30,856,510.38 and 5,009,190.57 is: 7,513,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,216.15 : 30,856,510.38 = 5,009,190.57 : x
  2. Step 2: Convert to fraction form
    20,571,216.15/30,856,510.38 = 5,009,190.57/x
  3. Step 3: Cross multiply
    20,571,216.15x = 30,856,510.38 × 5,009,190.57
  4. Step 4: Simplify right side
    20,571,216.15x = 154,566,140,818,603.12
  5. Step 5: Solve for x
    x = 154,566,140,818,603.12/20,571,216.15
  6. Step 6: Final answer
    x = 7,513,709.43

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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.