Home / 20,209,728.96-30,316,609.44-5,833,145.28

Finding the Fourth Proportional to 20,209,728.96, 30,316,609.44 and 5,833,145.28

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Solution

The fourth proportional to 20,209,728.96, 30,316,609.44 and 5,833,145.28 is: 8,750,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209,728.96 : 30,316,609.44 = 5,833,145.28 : x
  2. Step 2: Convert to fraction form
    20,209,728.96/30,316,609.44 = 5,833,145.28/x
  3. Step 3: Cross multiply
    20,209,728.96x = 30,316,609.44 × 5,833,145.28
  4. Step 4: Simplify right side
    20,209,728.96x = 176,841,187,260,539.47
  5. Step 5: Solve for x
    x = 176,841,187,260,539.47/20,209,728.96
  6. Step 6: Final answer
    x = 8,750,299.80

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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.