Home / 12,806,985.60-19,213,344-6,744,571.20

Finding the Fourth Proportional to 12,806,985.60, 19,213,344 and 6,744,571.20

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Solution

The fourth proportional to 12,806,985.60, 19,213,344 and 6,744,571.20 is: 10,118,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,985.60 : 19,213,344 = 6,744,571.20 : x
  2. Step 2: Convert to fraction form
    12,806,985.60/19,213,344 = 6,744,571.20/x
  3. Step 3: Cross multiply
    12,806,985.60x = 19,213,344 × 6,744,571.20
  4. Step 4: Simplify right side
    12,806,985.60x = 129,585,766,598,092.80
  5. Step 5: Solve for x
    x = 129,585,766,598,092.80/12,806,985.60
  6. Step 6: Final answer
    x = 10,118,365.92

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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.