Home / 13,113,083.70-19,669,625.55-7,444,379.70

Finding the Fourth Proportional to 13,113,083.70, 19,669,625.55 and 7,444,379.70

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Solution

The fourth proportional to 13,113,083.70, 19,669,625.55 and 7,444,379.70 is: 11,166,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,083.70 : 19,669,625.55 = 7,444,379.70 : x
  2. Step 2: Convert to fraction form
    13,113,083.70/19,669,625.55 = 7,444,379.70/x
  3. Step 3: Cross multiply
    13,113,083.70x = 19,669,625.55 × 7,444,379.70
  4. Step 4: Simplify right side
    13,113,083.70x = 146,428,161,151,021.34
  5. Step 5: Solve for x
    x = 146,428,161,151,021.34/13,113,083.70
  6. Step 6: Final answer
    x = 11,166,569.55

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Double scale
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Similar ratio
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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.