Home / 15,424,290.80-23,136,436.20-7,866,018.80

Finding the Fourth Proportional to 15,424,290.80, 23,136,436.20 and 7,866,018.80

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Solution

The fourth proportional to 15,424,290.80, 23,136,436.20 and 7,866,018.80 is: 11,799,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424,290.80 : 23,136,436.20 = 7,866,018.80 : x
  2. Step 2: Convert to fraction form
    15,424,290.80/23,136,436.20 = 7,866,018.80/x
  3. Step 3: Cross multiply
    15,424,290.80x = 23,136,436.20 × 7,866,018.80
  4. Step 4: Simplify right side
    15,424,290.80x = 181,991,642,114,200.56
  5. Step 5: Solve for x
    x = 181,991,642,114,200.56/15,424,290.80
  6. Step 6: Final answer
    x = 11,799,028.20

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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.