Home / 23,123,629.02-31,908,033.45-12,807,768.72

Finding the Fourth Proportional to 23,123,629.02, 31,908,033.45 and 12,807,768.72

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Solution

The fourth proportional to 23,123,629.02, 31,908,033.45 and 12,807,768.72 is: 17,673,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123,629.02 : 31,908,033.45 = 12,807,768.72 : x
  2. Step 2: Convert to fraction form
    23,123,629.02/31,908,033.45 = 12,807,768.72/x
  3. Step 3: Cross multiply
    23,123,629.02x = 31,908,033.45 × 12,807,768.72
  4. Step 4: Simplify right side
    23,123,629.02x = 408,670,712,737,623.69
  5. Step 5: Solve for x
    x = 408,670,712,737,623.69/23,123,629.02
  6. Step 6: Final answer
    x = 17,673,294.81

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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.