Home / 13,403,889.95-20,096,656.12-6,825,865.70

Finding the Fourth Proportional to 13,403,889.95, 20,096,656.12 and 6,825,865.70

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Solution

The fourth proportional to 13,403,889.95, 20,096,656.12 and 6,825,865.70 is: 10,234,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,889.95 : 20,096,656.12 = 6,825,865.70 : x
  2. Step 2: Convert to fraction form
    13,403,889.95/20,096,656.12 = 6,825,865.70/x
  3. Step 3: Cross multiply
    13,403,889.95x = 20,096,656.12 × 6,825,865.70
  4. Step 4: Simplify right side
    13,403,889.95x = 137,177,075,639,933.38
  5. Step 5: Solve for x
    x = 137,177,075,639,933.38/13,403,889.95
  6. Step 6: Final answer
    x = 10,234,124.28

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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.