Home / 20,168,223.01-30,266,907.44-8,030,691.49

Finding the Fourth Proportional to 20,168,223.01, 30,266,907.44 and 8,030,691.49

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Solution

The fourth proportional to 20,168,223.01, 30,266,907.44 and 8,030,691.49 is: 12,051,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,223.01 : 30,266,907.44 = 8,030,691.49 : x
  2. Step 2: Convert to fraction form
    20,168,223.01/30,266,907.44 = 8,030,691.49/x
  3. Step 3: Cross multiply
    20,168,223.01x = 30,266,907.44 × 8,030,691.49
  4. Step 4: Simplify right side
    20,168,223.01x = 243,064,195,931,358.44
  5. Step 5: Solve for x
    x = 243,064,195,931,358.44/20,168,223.01
  6. Step 6: Final answer
    x = 12,051,839.96

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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.