Home / 13,586,094.72-18,748,810.08-7,474,392

Finding the Fourth Proportional to 13,586,094.72, 18,748,810.08 and 7,474,392

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Solution

The fourth proportional to 13,586,094.72, 18,748,810.08 and 7,474,392 is: 10,314,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,094.72 : 18,748,810.08 = 7,474,392 : x
  2. Step 2: Convert to fraction form
    13,586,094.72/18,748,810.08 = 7,474,392/x
  3. Step 3: Cross multiply
    13,586,094.72x = 18,748,810.08 × 7,474,392
  4. Step 4: Simplify right side
    13,586,094.72x = 140,135,956,071,471.34
  5. Step 5: Solve for x
    x = 140,135,956,071,471.34/13,586,094.72
  6. Step 6: Final answer
    x = 10,314,660.61

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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.