Home / 13,158,830.70-19,738,246.05-5,584,812.30

Finding the Fourth Proportional to 13,158,830.70, 19,738,246.05 and 5,584,812.30

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Solution

The fourth proportional to 13,158,830.70, 19,738,246.05 and 5,584,812.30 is: 8,377,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,830.70 : 19,738,246.05 = 5,584,812.30 : x
  2. Step 2: Convert to fraction form
    13,158,830.70/19,738,246.05 = 5,584,812.30/x
  3. Step 3: Cross multiply
    13,158,830.70x = 19,738,246.05 × 5,584,812.30
  4. Step 4: Simplify right side
    13,158,830.70x = 110,234,399,320,466.42
  5. Step 5: Solve for x
    x = 110,234,399,320,466.42/13,158,830.70
  6. Step 6: Final answer
    x = 8,377,218.45

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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.