Home / 20,189,266.90-30,283,900.35-8,060,602.30

Finding the Fourth Proportional to 20,189,266.90, 30,283,900.35 and 8,060,602.30

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Solution

The fourth proportional to 20,189,266.90, 30,283,900.35 and 8,060,602.30 is: 12,090,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,266.90 : 30,283,900.35 = 8,060,602.30 : x
  2. Step 2: Convert to fraction form
    20,189,266.90/30,283,900.35 = 8,060,602.30/x
  3. Step 3: Cross multiply
    20,189,266.90x = 30,283,900.35 × 8,060,602.30
  4. Step 4: Simplify right side
    20,189,266.90x = 244,106,476,814,180.81
  5. Step 5: Solve for x
    x = 244,106,476,814,180.81/20,189,266.90
  6. Step 6: Final answer
    x = 12,090,903.45

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Similar ratio
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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.