Home / 11,431,218.96-15,788,174.32-7,528,421.17

Finding the Fourth Proportional to 11,431,218.96, 15,788,174.32 and 7,528,421.17

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Solution

The fourth proportional to 11,431,218.96, 15,788,174.32 and 7,528,421.17 is: 10,397,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,218.96 : 15,788,174.32 = 7,528,421.17 : x
  2. Step 2: Convert to fraction form
    11,431,218.96/15,788,174.32 = 7,528,421.17/x
  3. Step 3: Cross multiply
    11,431,218.96x = 15,788,174.32 × 7,528,421.17
  4. Step 4: Simplify right side
    11,431,218.96x = 118,860,025,669,755.38
  5. Step 5: Solve for x
    x = 118,860,025,669,755.38/11,431,218.96
  6. Step 6: Final answer
    x = 10,397,843.50

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.