Home / 7,247,579.60-10,872,681.60-3,644,278.40

Finding the Fourth Proportional to 7,247,579.60, 10,872,681.60 and 3,644,278.40

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Solution

The fourth proportional to 7,247,579.60, 10,872,681.60 and 3,644,278.40 is: 5,467,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,579.60 : 10,872,681.60 = 3,644,278.40 : x
  2. Step 2: Convert to fraction form
    7,247,579.60/10,872,681.60 = 3,644,278.40/x
  3. Step 3: Cross multiply
    7,247,579.60x = 10,872,681.60 × 3,644,278.40
  4. Step 4: Simplify right side
    7,247,579.60x = 39,623,078,704,957.44
  5. Step 5: Solve for x
    x = 39,623,078,704,957.44/7,247,579.60
  6. Step 6: Final answer
    x = 5,467,077.41

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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.