Home / 14,019,987.40-21,029,981.10-5,500,601.80

Finding the Fourth Proportional to 14,019,987.40, 21,029,981.10 and 5,500,601.80

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Solution

The fourth proportional to 14,019,987.40, 21,029,981.10 and 5,500,601.80 is: 8,250,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,987.40 : 21,029,981.10 = 5,500,601.80 : x
  2. Step 2: Convert to fraction form
    14,019,987.40/21,029,981.10 = 5,500,601.80/x
  3. Step 3: Cross multiply
    14,019,987.40x = 21,029,981.10 × 5,500,601.80
  4. Step 4: Simplify right side
    14,019,987.40x = 115,677,551,892,625.98
  5. Step 5: Solve for x
    x = 115,677,551,892,625.98/14,019,987.40
  6. Step 6: Final answer
    x = 8,250,902.70

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Double scale
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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.