Home / 20,086,100.20-30,130,316.70-5,710,220.20

Finding the Fourth Proportional to 20,086,100.20, 30,130,316.70 and 5,710,220.20

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Solution

The fourth proportional to 20,086,100.20, 30,130,316.70 and 5,710,220.20 is: 8,565,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086,100.20 : 30,130,316.70 = 5,710,220.20 : x
  2. Step 2: Convert to fraction form
    20,086,100.20/30,130,316.70 = 5,710,220.20/x
  3. Step 3: Cross multiply
    20,086,100.20x = 30,130,316.70 × 5,710,220.20
  4. Step 4: Simplify right side
    20,086,100.20x = 172,050,743,052,737.34
  5. Step 5: Solve for x
    x = 172,050,743,052,737.34/20,086,100.20
  6. Step 6: Final answer
    x = 8,565,661.89

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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.