Home / 39,307,987.80-58,961,981.70-13,746,331.80

Finding the Fourth Proportional to 39,307,987.80, 58,961,981.70 and 13,746,331.80

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Solution

The fourth proportional to 39,307,987.80, 58,961,981.70 and 13,746,331.80 is: 20,619,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307,987.80 : 58,961,981.70 = 13,746,331.80 : x
  2. Step 2: Convert to fraction form
    39,307,987.80/58,961,981.70 = 13,746,331.80/x
  3. Step 3: Cross multiply
    39,307,987.80x = 58,961,981.70 × 13,746,331.80
  4. Step 4: Simplify right side
    39,307,987.80x = 810,510,964,033,728.12
  5. Step 5: Solve for x
    x = 810,510,964,033,728.12/39,307,987.80
  6. Step 6: Final answer
    x = 20,619,497.70

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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.