Home / 15,424,001.80-23,136,002.70-7,865,729.80

Finding the Fourth Proportional to 15,424,001.80, 23,136,002.70 and 7,865,729.80

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Solution

The fourth proportional to 15,424,001.80, 23,136,002.70 and 7,865,729.80 is: 11,798,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424,001.80 : 23,136,002.70 = 7,865,729.80 : x
  2. Step 2: Convert to fraction form
    15,424,001.80/23,136,002.70 = 7,865,729.80/x
  3. Step 3: Cross multiply
    15,424,001.80x = 23,136,002.70 × 7,865,729.80
  4. Step 4: Simplify right side
    15,424,001.80x = 181,981,545,890,270.44
  5. Step 5: Solve for x
    x = 181,981,545,890,270.44/15,424,001.80
  6. Step 6: Final answer
    x = 11,798,594.70

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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.