Home / 13,679,603.67-20,505,873.83-6,478,483.35

Finding the Fourth Proportional to 13,679,603.67, 20,505,873.83 and 6,478,483.35

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Solution

The fourth proportional to 13,679,603.67, 20,505,873.83 and 6,478,483.35 is: 9,711,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,603.67 : 20,505,873.83 = 6,478,483.35 : x
  2. Step 2: Convert to fraction form
    13,679,603.67/20,505,873.83 = 6,478,483.35/x
  3. Step 3: Cross multiply
    13,679,603.67x = 20,505,873.83 × 6,478,483.35
  4. Step 4: Simplify right side
    13,679,603.67x = 132,846,962,152,463.30
  5. Step 5: Solve for x
    x = 132,846,962,152,463.30/13,679,603.67
  6. Step 6: Final answer
    x = 9,711,316.60

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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.