Home / 34,663,506.80-47,820,818.52-20,904,648.56

Finding the Fourth Proportional to 34,663,506.80, 47,820,818.52 and 20,904,648.56

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Solution

The fourth proportional to 34,663,506.80, 47,820,818.52 and 20,904,648.56 is: 28,839,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,663,506.80 : 47,820,818.52 = 20,904,648.56 : x
  2. Step 2: Convert to fraction form
    34,663,506.80/47,820,818.52 = 20,904,648.56/x
  3. Step 3: Cross multiply
    34,663,506.80x = 47,820,818.52 × 20,904,648.56
  4. Step 4: Simplify right side
    34,663,506.80x = 999,677,405,012,139.38
  5. Step 5: Solve for x
    x = 999,677,405,012,139.38/34,663,506.80
  6. Step 6: Final answer
    x = 28,839,476.94

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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.