Home / 19,323,832.80-28,985,749.20-5,861,330.40

Finding the Fourth Proportional to 19,323,832.80, 28,985,749.20 and 5,861,330.40

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Solution

The fourth proportional to 19,323,832.80, 28,985,749.20 and 5,861,330.40 is: 8,791,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323,832.80 : 28,985,749.20 = 5,861,330.40 : x
  2. Step 2: Convert to fraction form
    19,323,832.80/28,985,749.20 = 5,861,330.40/x
  3. Step 3: Cross multiply
    19,323,832.80x = 28,985,749.20 × 5,861,330.40
  4. Step 4: Simplify right side
    19,323,832.80x = 169,895,052,952,735.69
  5. Step 5: Solve for x
    x = 169,895,052,952,735.69/19,323,832.80
  6. Step 6: Final answer
    x = 8,791,995.60

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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.