Home / 13,013,996.20-19,520,994.30-9,654,764.20

Finding the Fourth Proportional to 13,013,996.20, 19,520,994.30 and 9,654,764.20

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Solution

The fourth proportional to 13,013,996.20, 19,520,994.30 and 9,654,764.20 is: 14,482,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,996.20 : 19,520,994.30 = 9,654,764.20 : x
  2. Step 2: Convert to fraction form
    13,013,996.20/19,520,994.30 = 9,654,764.20/x
  3. Step 3: Cross multiply
    13,013,996.20x = 19,520,994.30 × 9,654,764.20
  4. Step 4: Simplify right side
    13,013,996.20x = 188,470,596,916,044.06
  5. Step 5: Solve for x
    x = 188,470,596,916,044.06/13,013,996.20
  6. Step 6: Final answer
    x = 14,482,146.30

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Similar ratio
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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.