Home / 7,005,800.70-10,508,701.05-3,971,994.30

Finding the Fourth Proportional to 7,005,800.70, 10,508,701.05 and 3,971,994.30

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Solution

The fourth proportional to 7,005,800.70, 10,508,701.05 and 3,971,994.30 is: 5,957,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,800.70 : 10,508,701.05 = 3,971,994.30 : x
  2. Step 2: Convert to fraction form
    7,005,800.70/10,508,701.05 = 3,971,994.30/x
  3. Step 3: Cross multiply
    7,005,800.70x = 10,508,701.05 × 3,971,994.30
  4. Step 4: Simplify right side
    7,005,800.70x = 41,740,500,671,004.02
  5. Step 5: Solve for x
    x = 41,740,500,671,004.02/7,005,800.70
  6. Step 6: Final answer
    x = 5,957,991.45

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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.