Home / 20,417,903.70-30,617,998.20-6,765,774.90

Finding the Fourth Proportional to 20,417,903.70, 30,617,998.20 and 6,765,774.90

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Solution

The fourth proportional to 20,417,903.70, 30,617,998.20 and 6,765,774.90 is: 10,145,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,903.70 : 30,617,998.20 = 6,765,774.90 : x
  2. Step 2: Convert to fraction form
    20,417,903.70/30,617,998.20 = 6,765,774.90/x
  3. Step 3: Cross multiply
    20,417,903.70x = 30,617,998.20 × 6,765,774.90
  4. Step 4: Simplify right side
    20,417,903.70x = 207,154,483,709,805.19
  5. Step 5: Solve for x
    x = 207,154,483,709,805.19/20,417,903.70
  6. Step 6: Final answer
    x = 10,145,727.34

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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.