Home / 10,691,970.80-16,041,628.20-3,120,047.60

Finding the Fourth Proportional to 10,691,970.80, 16,041,628.20 and 3,120,047.60

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Solution

The fourth proportional to 10,691,970.80, 16,041,628.20 and 3,120,047.60 is: 4,681,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,970.80 : 16,041,628.20 = 3,120,047.60 : x
  2. Step 2: Convert to fraction form
    10,691,970.80/16,041,628.20 = 3,120,047.60/x
  3. Step 3: Cross multiply
    10,691,970.80x = 16,041,628.20 × 3,120,047.60
  4. Step 4: Simplify right side
    10,691,970.80x = 50,050,643,565,502.32
  5. Step 5: Solve for x
    x = 50,050,643,565,502.32/10,691,970.80
  6. Step 6: Final answer
    x = 4,681,142.93

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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.