Home / 30,398,167.72-45,590,413.31-13,987,707.95

Finding the Fourth Proportional to 30,398,167.72, 45,590,413.31 and 13,987,707.95

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Solution

The fourth proportional to 30,398,167.72, 45,590,413.31 and 13,987,707.95 is: 20,978,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398,167.72 : 45,590,413.31 = 13,987,707.95 : x
  2. Step 2: Convert to fraction form
    30,398,167.72/45,590,413.31 = 13,987,707.95/x
  3. Step 3: Cross multiply
    30,398,167.72x = 45,590,413.31 × 13,987,707.95
  4. Step 4: Simplify right side
    30,398,167.72x = 637,705,386,796,564.25
  5. Step 5: Solve for x
    x = 637,705,386,796,564.25/30,398,167.72
  6. Step 6: Final answer
    x = 20,978,415.30

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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.