Home / 13,753,529.42-18,980,325.65-7,558,795.72

Finding the Fourth Proportional to 13,753,529.42, 18,980,325.65 and 7,558,795.72

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Solution

The fourth proportional to 13,753,529.42, 18,980,325.65 and 7,558,795.72 is: 10,431,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,529.42 : 18,980,325.65 = 7,558,795.72 : x
  2. Step 2: Convert to fraction form
    13,753,529.42/18,980,325.65 = 7,558,795.72/x
  3. Step 3: Cross multiply
    13,753,529.42x = 18,980,325.65 × 7,558,795.72
  4. Step 4: Simplify right side
    13,753,529.42x = 143,468,404,287,426.19
  5. Step 5: Solve for x
    x = 143,468,404,287,426.19/13,753,529.42
  6. Step 6: Final answer
    x = 10,431,388.18

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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.