Home / 31,830,814.32-47,760,331.56-16,681,142.64

Finding the Fourth Proportional to 31,830,814.32, 47,760,331.56 and 16,681,142.64

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Solution

The fourth proportional to 31,830,814.32, 47,760,331.56 and 16,681,142.64 is: 25,029,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830,814.32 : 47,760,331.56 = 16,681,142.64 : x
  2. Step 2: Convert to fraction form
    31,830,814.32/47,760,331.56 = 16,681,142.64/x
  3. Step 3: Cross multiply
    31,830,814.32x = 47,760,331.56 × 16,681,142.64
  4. Step 4: Simplify right side
    31,830,814.32x = 796,696,903,286,053.75
  5. Step 5: Solve for x
    x = 796,696,903,286,053.75/31,830,814.32
  6. Step 6: Final answer
    x = 25,029,108.44

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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.