Home / 19,077,843.92-28,487,541.83-15,143,157.05

Finding the Fourth Proportional to 19,077,843.92, 28,487,541.83 and 15,143,157.05

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Solution

The fourth proportional to 19,077,843.92, 28,487,541.83 and 15,143,157.05 is: 22,612,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,843.92 : 28,487,541.83 = 15,143,157.05 : x
  2. Step 2: Convert to fraction form
    19,077,843.92/28,487,541.83 = 15,143,157.05/x
  3. Step 3: Cross multiply
    19,077,843.92x = 28,487,541.83 × 15,143,157.05
  4. Step 4: Simplify right side
    19,077,843.92x = 431,391,319,681,980.88
  5. Step 5: Solve for x
    x = 431,391,319,681,980.88/19,077,843.92
  6. Step 6: Final answer
    x = 22,612,163.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.