Home / 18,000,638.64-24,840,692.28-9,740,520.63

Finding the Fourth Proportional to 18,000,638.64, 24,840,692.28 and 9,740,520.63

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Solution

The fourth proportional to 18,000,638.64, 24,840,692.28 and 9,740,520.63 is: 13,441,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,638.64 : 24,840,692.28 = 9,740,520.63 : x
  2. Step 2: Convert to fraction form
    18,000,638.64/24,840,692.28 = 9,740,520.63/x
  3. Step 3: Cross multiply
    18,000,638.64x = 24,840,692.28 × 9,740,520.63
  4. Step 4: Simplify right side
    18,000,638.64x = 241,961,275,616,821.78
  5. Step 5: Solve for x
    x = 241,961,275,616,821.78/18,000,638.64
  6. Step 6: Final answer
    x = 13,441,816.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.