Home / 19,200,607.60-28,800,939.24-7,841,056.12

Finding the Fourth Proportional to 19,200,607.60, 28,800,939.24 and 7,841,056.12

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Solution

The fourth proportional to 19,200,607.60, 28,800,939.24 and 7,841,056.12 is: 11,761,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200,607.60 : 28,800,939.24 = 7,841,056.12 : x
  2. Step 2: Convert to fraction form
    19,200,607.60/28,800,939.24 = 7,841,056.12/x
  3. Step 3: Cross multiply
    19,200,607.60x = 28,800,939.24 × 7,841,056.12
  4. Step 4: Simplify right side
    19,200,607.60x = 225,829,780,889,550.12
  5. Step 5: Solve for x
    x = 225,829,780,889,550.12/19,200,607.60
  6. Step 6: Final answer
    x = 11,761,595.55

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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.