Home / 6,603,999.30-9,905,998.95-5,109,164.10

Finding the Fourth Proportional to 6,603,999.30, 9,905,998.95 and 5,109,164.10

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Solution

The fourth proportional to 6,603,999.30, 9,905,998.95 and 5,109,164.10 is: 7,663,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,999.30 : 9,905,998.95 = 5,109,164.10 : x
  2. Step 2: Convert to fraction form
    6,603,999.30/9,905,998.95 = 5,109,164.10/x
  3. Step 3: Cross multiply
    6,603,999.30x = 9,905,998.95 × 5,109,164.10
  4. Step 4: Simplify right side
    6,603,999.30x = 50,611,374,209,977.69
  5. Step 5: Solve for x
    x = 50,611,374,209,977.69/6,603,999.30
  6. Step 6: Final answer
    x = 7,663,746.15

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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.