Home / 19,056,276.21-28,585,031.05-9,071,812.86

Finding the Fourth Proportional to 19,056,276.21, 28,585,031.05 and 9,071,812.86

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Solution

The fourth proportional to 19,056,276.21, 28,585,031.05 and 9,071,812.86 is: 13,608,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056,276.21 : 28,585,031.05 = 9,071,812.86 : x
  2. Step 2: Convert to fraction form
    19,056,276.21/28,585,031.05 = 9,071,812.86/x
  3. Step 3: Cross multiply
    19,056,276.21x = 28,585,031.05 × 9,071,812.86
  4. Step 4: Simplify right side
    19,056,276.21x = 259,318,052,187,035.19
  5. Step 5: Solve for x
    x = 259,318,052,187,035.19/19,056,276.21
  6. Step 6: Final answer
    x = 13,608,012.88

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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.