Home / 12,091,949.70-18,137,924.55-9,700,465.20

Finding the Fourth Proportional to 12,091,949.70, 18,137,924.55 and 9,700,465.20

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Solution

The fourth proportional to 12,091,949.70, 18,137,924.55 and 9,700,465.20 is: 14,550,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,949.70 : 18,137,924.55 = 9,700,465.20 : x
  2. Step 2: Convert to fraction form
    12,091,949.70/18,137,924.55 = 9,700,465.20/x
  3. Step 3: Cross multiply
    12,091,949.70x = 18,137,924.55 × 9,700,465.20
  4. Step 4: Simplify right side
    12,091,949.70x = 175,946,305,897,500.66
  5. Step 5: Solve for x
    x = 175,946,305,897,500.66/12,091,949.70
  6. Step 6: Final answer
    x = 14,550,697.80

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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.