Home / 39,908,388.20-59,713,110.30-28,420,413.80

Finding the Fourth Proportional to 39,908,388.20, 59,713,110.30 and 28,420,413.80

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Solution

The fourth proportional to 39,908,388.20, 59,713,110.30 and 28,420,413.80 is: 42,524,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908,388.20 : 59,713,110.30 = 28,420,413.80 : x
  2. Step 2: Convert to fraction form
    39,908,388.20/59,713,110.30 = 28,420,413.80/x
  3. Step 3: Cross multiply
    39,908,388.20x = 59,713,110.30 × 28,420,413.80
  4. Step 4: Simplify right side
    39,908,388.20x = 1,697,071,304,011,042
  5. Step 5: Solve for x
    x = 1,697,071,304,011,042/39,908,388.20
  6. Step 6: Final answer
    x = 42,524,175.51

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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.