Home / 10,753,124.80-16,129,687.20-4,020,145.60

Finding the Fourth Proportional to 10,753,124.80, 16,129,687.20 and 4,020,145.60

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Solution

The fourth proportional to 10,753,124.80, 16,129,687.20 and 4,020,145.60 is: 6,030,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,124.80 : 16,129,687.20 = 4,020,145.60 : x
  2. Step 2: Convert to fraction form
    10,753,124.80/16,129,687.20 = 4,020,145.60/x
  3. Step 3: Cross multiply
    10,753,124.80x = 16,129,687.20 × 4,020,145.60
  4. Step 4: Simplify right side
    10,753,124.80x = 64,843,691,026,456.32
  5. Step 5: Solve for x
    x = 64,843,691,026,456.32/10,753,124.80
  6. Step 6: Final answer
    x = 6,030,218.40

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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.