Home / 13,536,000.80-20,304,001.20-11,520,461.60

Finding the Fourth Proportional to 13,536,000.80, 20,304,001.20 and 11,520,461.60

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Solution

The fourth proportional to 13,536,000.80, 20,304,001.20 and 11,520,461.60 is: 17,280,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536,000.80 : 20,304,001.20 = 11,520,461.60 : x
  2. Step 2: Convert to fraction form
    13,536,000.80/20,304,001.20 = 11,520,461.60/x
  3. Step 3: Cross multiply
    13,536,000.80x = 20,304,001.20 × 11,520,461.60
  4. Step 4: Simplify right side
    13,536,000.80x = 233,911,466,150,953.91
  5. Step 5: Solve for x
    x = 233,911,466,150,953.91/13,536,000.80
  6. Step 6: Final answer
    x = 17,280,692.40

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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.