Home / 20,461,823.70-30,689,246.34-6,813,421.08

Finding the Fourth Proportional to 20,461,823.70, 30,689,246.34 and 6,813,421.08

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Solution

The fourth proportional to 20,461,823.70, 30,689,246.34 and 6,813,421.08 is: 10,218,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,823.70 : 30,689,246.34 = 6,813,421.08 : x
  2. Step 2: Convert to fraction form
    20,461,823.70/30,689,246.34 = 6,813,421.08/x
  3. Step 3: Cross multiply
    20,461,823.70x = 30,689,246.34 × 6,813,421.08
  4. Step 4: Simplify right side
    20,461,823.70x = 209,098,757,942,268.84
  5. Step 5: Solve for x
    x = 209,098,757,942,268.84/20,461,823.70
  6. Step 6: Final answer
    x = 10,218,969.78

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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.