Home / 20,583,526.40-30,908,467.20-15,540,531.20

Finding the Fourth Proportional to 20,583,526.40, 30,908,467.20 and 15,540,531.20

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Solution

The fourth proportional to 20,583,526.40, 30,908,467.20 and 15,540,531.20 is: 23,335,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583,526.40 : 30,908,467.20 = 15,540,531.20 : x
  2. Step 2: Convert to fraction form
    20,583,526.40/30,908,467.20 = 15,540,531.20/x
  3. Step 3: Cross multiply
    20,583,526.40x = 30,908,467.20 × 15,540,531.20
  4. Step 4: Simplify right side
    20,583,526.40x = 480,333,998,865,776.62
  5. Step 5: Solve for x
    x = 480,333,998,865,776.62/20,583,526.40
  6. Step 6: Final answer
    x = 23,335,845.84

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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.