Home / 20,734,124.25-31,101,075.37-5,381,402.70

Finding the Fourth Proportional to 20,734,124.25, 31,101,075.37 and 5,381,402.70

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Solution

The fourth proportional to 20,734,124.25, 31,101,075.37 and 5,381,402.70 is: 8,072,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,124.25 : 31,101,075.37 = 5,381,402.70 : x
  2. Step 2: Convert to fraction form
    20,734,124.25/31,101,075.37 = 5,381,402.70/x
  3. Step 3: Cross multiply
    20,734,124.25x = 31,101,075.37 × 5,381,402.70
  4. Step 4: Simplify right side
    20,734,124.25x = 167,367,410,942,114.47
  5. Step 5: Solve for x
    x = 167,367,410,942,114.47/20,734,124.25
  6. Step 6: Final answer
    x = 8,072,075.24

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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.