Home / 31,596,006.80-47,394,010.20-19,426,007.90

Finding the Fourth Proportional to 31,596,006.80, 47,394,010.20 and 19,426,007.90

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Solution

The fourth proportional to 31,596,006.80, 47,394,010.20 and 19,426,007.90 is: 29,139,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596,006.80 : 47,394,010.20 = 19,426,007.90 : x
  2. Step 2: Convert to fraction form
    31,596,006.80/47,394,010.20 = 19,426,007.90/x
  3. Step 3: Cross multiply
    31,596,006.80x = 47,394,010.20 × 19,426,007.90
  4. Step 4: Simplify right side
    31,596,006.80x = 920,676,416,557,880.62
  5. Step 5: Solve for x
    x = 920,676,416,557,880.62/31,596,006.80
  6. Step 6: Final answer
    x = 29,139,011.85

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1.5x scale

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.