Home / 28,958,047.16-39,962,433.78-15,905,611.98

Finding the Fourth Proportional to 28,958,047.16, 39,962,433.78 and 15,905,611.98

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Solution

The fourth proportional to 28,958,047.16, 39,962,433.78 and 15,905,611.98 is: 21,949,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958,047.16 : 39,962,433.78 = 15,905,611.98 : x
  2. Step 2: Convert to fraction form
    28,958,047.16/39,962,433.78 = 15,905,611.98/x
  3. Step 3: Cross multiply
    28,958,047.16x = 39,962,433.78 × 15,905,611.98
  4. Step 4: Simplify right side
    28,958,047.16x = 635,626,965,481,124.75
  5. Step 5: Solve for x
    x = 635,626,965,481,124.75/28,958,047.16
  6. Step 6: Final answer
    x = 21,949,925.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.