Home / 10,438,317.90-15,661,413.45-5,051,736.90

Finding the Fourth Proportional to 10,438,317.90, 15,661,413.45 and 5,051,736.90

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Solution

The fourth proportional to 10,438,317.90, 15,661,413.45 and 5,051,736.90 is: 7,579,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,317.90 : 15,661,413.45 = 5,051,736.90 : x
  2. Step 2: Convert to fraction form
    10,438,317.90/15,661,413.45 = 5,051,736.90/x
  3. Step 3: Cross multiply
    10,438,317.90x = 15,661,413.45 × 5,051,736.90
  4. Step 4: Simplify right side
    10,438,317.90x = 79,117,340,231,521.31
  5. Step 5: Solve for x
    x = 79,117,340,231,521.31/10,438,317.90
  6. Step 6: Final answer
    x = 7,579,510.51

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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.