Home / 12,737,110.80-19,105,666.20-4,762,045.20

Finding the Fourth Proportional to 12,737,110.80, 19,105,666.20 and 4,762,045.20

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Solution

The fourth proportional to 12,737,110.80, 19,105,666.20 and 4,762,045.20 is: 7,143,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,110.80 : 19,105,666.20 = 4,762,045.20 : x
  2. Step 2: Convert to fraction form
    12,737,110.80/19,105,666.20 = 4,762,045.20/x
  3. Step 3: Cross multiply
    12,737,110.80x = 19,105,666.20 × 4,762,045.20
  4. Step 4: Simplify right side
    12,737,110.80x = 90,982,046,020,512.23
  5. Step 5: Solve for x
    x = 90,982,046,020,512.23/12,737,110.80
  6. Step 6: Final answer
    x = 7,143,067.80

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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.