Home / 20,225,999.90-30,338,999.85-6,762,827.90

Finding the Fourth Proportional to 20,225,999.90, 30,338,999.85 and 6,762,827.90

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Solution

The fourth proportional to 20,225,999.90, 30,338,999.85 and 6,762,827.90 is: 10,144,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,999.90 : 30,338,999.85 = 6,762,827.90 : x
  2. Step 2: Convert to fraction form
    20,225,999.90/30,338,999.85 = 6,762,827.90/x
  3. Step 3: Cross multiply
    20,225,999.90x = 30,338,999.85 × 6,762,827.90
  4. Step 4: Simplify right side
    20,225,999.90x = 205,177,434,643,675.84
  5. Step 5: Solve for x
    x = 205,177,434,643,675.84/20,225,999.90
  6. Step 6: Final answer
    x = 10,144,241.85

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1.5x scale

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.