Home / 20,637,008.40-30,920,083.20-13,444,840.20

Finding the Fourth Proportional to 20,637,008.40, 30,920,083.20 and 13,444,840.20

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Solution

The fourth proportional to 20,637,008.40, 30,920,083.20 and 13,444,840.20 is: 20,144,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637,008.40 : 30,920,083.20 = 13,444,840.20 : x
  2. Step 2: Convert to fraction form
    20,637,008.40/30,920,083.20 = 13,444,840.20/x
  3. Step 3: Cross multiply
    20,637,008.40x = 30,920,083.20 × 13,444,840.20
  4. Step 4: Simplify right side
    20,637,008.40x = 415,715,577,594,704.62
  5. Step 5: Solve for x
    x = 415,715,577,594,704.62/20,637,008.40
  6. Step 6: Final answer
    x = 20,144,178.34

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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.