Home / 19,181,767.20-28,725,411.60-9,072,578.40

Finding the Fourth Proportional to 19,181,767.20, 28,725,411.60 and 9,072,578.40

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Solution

The fourth proportional to 19,181,767.20, 28,725,411.60 and 9,072,578.40 is: 13,586,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,767.20 : 28,725,411.60 = 9,072,578.40 : x
  2. Step 2: Convert to fraction form
    19,181,767.20/28,725,411.60 = 9,072,578.40/x
  3. Step 3: Cross multiply
    19,181,767.20x = 28,725,411.60 × 9,072,578.40
  4. Step 4: Simplify right side
    19,181,767.20x = 260,613,548,813,269.47
  5. Step 5: Solve for x
    x = 260,613,548,813,269.47/19,181,767.20
  6. Step 6: Final answer
    x = 13,586,524.44

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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.