Home / 28,851,750.59-39,815,414.87-15,799,807.49

Finding the Fourth Proportional to 28,851,750.59, 39,815,414.87 and 15,799,807.49

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Solution

The fourth proportional to 28,851,750.59, 39,815,414.87 and 15,799,807.49 is: 21,803,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851,750.59 : 39,815,414.87 = 15,799,807.49 : x
  2. Step 2: Convert to fraction form
    28,851,750.59/39,815,414.87 = 15,799,807.49/x
  3. Step 3: Cross multiply
    28,851,750.59x = 39,815,414.87 × 15,799,807.49
  4. Step 4: Simplify right side
    28,851,750.59x = 629,075,889,802,407.25
  5. Step 5: Solve for x
    x = 629,075,889,802,407.25/28,851,750.59
  6. Step 6: Final answer
    x = 21,803,733.81

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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.