Home / 28,334,029.20-42,501,043.80-16,996,621.20

Finding the Fourth Proportional to 28,334,029.20, 42,501,043.80 and 16,996,621.20

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Solution

The fourth proportional to 28,334,029.20, 42,501,043.80 and 16,996,621.20 is: 25,494,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334,029.20 : 42,501,043.80 = 16,996,621.20 : x
  2. Step 2: Convert to fraction form
    28,334,029.20/42,501,043.80 = 16,996,621.20/x
  3. Step 3: Cross multiply
    28,334,029.20x = 42,501,043.80 × 16,996,621.20
  4. Step 4: Simplify right side
    28,334,029.20x = 722,374,142,073,208.50
  5. Step 5: Solve for x
    x = 722,374,142,073,208.50/28,334,029.20
  6. Step 6: Final answer
    x = 25,494,931.80

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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.