Home / 12,957,923.70-19,438,985.07-5,385,304.98

Finding the Fourth Proportional to 12,957,923.70, 19,438,985.07 and 5,385,304.98

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Solution

The fourth proportional to 12,957,923.70, 19,438,985.07 and 5,385,304.98 is: 8,078,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,923.70 : 19,438,985.07 = 5,385,304.98 : x
  2. Step 2: Convert to fraction form
    12,957,923.70/19,438,985.07 = 5,385,304.98/x
  3. Step 3: Cross multiply
    12,957,923.70x = 19,438,985.07 × 5,385,304.98
  4. Step 4: Simplify right side
    12,957,923.70x = 104,684,863,103,616.66
  5. Step 5: Solve for x
    x = 104,684,863,103,616.66/12,957,923.70
  6. Step 6: Final answer
    x = 8,078,830.03

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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.