Home / 20,461,503.96-30,688,768.08-6,813,102.96

Finding the Fourth Proportional to 20,461,503.96, 30,688,768.08 and 6,813,102.96

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Solution

The fourth proportional to 20,461,503.96, 30,688,768.08 and 6,813,102.96 is: 10,218,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,503.96 : 30,688,768.08 = 6,813,102.96 : x
  2. Step 2: Convert to fraction form
    20,461,503.96/30,688,768.08 = 6,813,102.96/x
  3. Step 3: Cross multiply
    20,461,503.96x = 30,688,768.08 × 6,813,102.96
  4. Step 4: Simplify right side
    20,461,503.96x = 209,085,736,644,601.50
  5. Step 5: Solve for x
    x = 209,085,736,644,601.50/20,461,503.96
  6. Step 6: Final answer
    x = 10,218,493.08

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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.