Home / 21,297,928.60-31,925,120.10-10,498,619.80

Finding the Fourth Proportional to 21,297,928.60, 31,925,120.10 and 10,498,619.80

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Solution

The fourth proportional to 21,297,928.60, 31,925,120.10 and 10,498,619.80 is: 15,737,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,928.60 : 31,925,120.10 = 10,498,619.80 : x
  2. Step 2: Convert to fraction form
    21,297,928.60/31,925,120.10 = 10,498,619.80/x
  3. Step 3: Cross multiply
    21,297,928.60x = 31,925,120.10 × 10,498,619.80
  4. Step 4: Simplify right side
    21,297,928.60x = 335,169,697,999,238
  5. Step 5: Solve for x
    x = 335,169,697,999,238/21,297,928.60
  6. Step 6: Final answer
    x = 15,737,197.00

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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.