Home / 42,596,711.80-63,895,067.70-12,307,636.60

Finding the Fourth Proportional to 42,596,711.80, 63,895,067.70 and 12,307,636.60

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Solution

The fourth proportional to 42,596,711.80, 63,895,067.70 and 12,307,636.60 is: 18,461,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,596,711.80 : 63,895,067.70 = 12,307,636.60 : x
  2. Step 2: Convert to fraction form
    42,596,711.80/63,895,067.70 = 12,307,636.60/x
  3. Step 3: Cross multiply
    42,596,711.80x = 63,895,067.70 × 12,307,636.60
  4. Step 4: Simplify right side
    42,596,711.80x = 786,397,273,783,997.88
  5. Step 5: Solve for x
    x = 786,397,273,783,997.88/42,596,711.80
  6. Step 6: Final answer
    x = 18,461,454.90

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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.