Home / 13,471,607.87-18,590,826.32-7,276,654.55

Finding the Fourth Proportional to 13,471,607.87, 18,590,826.32 and 7,276,654.55

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Solution

The fourth proportional to 13,471,607.87, 18,590,826.32 and 7,276,654.55 is: 10,041,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,607.87 : 18,590,826.32 = 7,276,654.55 : x
  2. Step 2: Convert to fraction form
    13,471,607.87/18,590,826.32 = 7,276,654.55/x
  3. Step 3: Cross multiply
    13,471,607.87x = 18,590,826.32 × 7,276,654.55
  4. Step 4: Simplify right side
    13,471,607.87x = 135,279,020,994,356.47
  5. Step 5: Solve for x
    x = 135,279,020,994,356.47/13,471,607.87
  6. Step 6: Final answer
    x = 10,041,787.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.