Home / 20,637,050.40-30,920,146.20-13,444,882.20

Finding the Fourth Proportional to 20,637,050.40, 30,920,146.20 and 13,444,882.20

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Solution

The fourth proportional to 20,637,050.40, 30,920,146.20 and 13,444,882.20 is: 20,144,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637,050.40 : 30,920,146.20 = 13,444,882.20 : x
  2. Step 2: Convert to fraction form
    20,637,050.40/30,920,146.20 = 13,444,882.20/x
  3. Step 3: Cross multiply
    20,637,050.40x = 30,920,146.20 × 13,444,882.20
  4. Step 4: Simplify right side
    20,637,050.40x = 415,717,723,265,777.62
  5. Step 5: Solve for x
    x = 415,717,723,265,777.62/20,637,050.40
  6. Step 6: Final answer
    x = 20,144,241.31

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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.