Home / 18,577,989.81-25,637,685.35-10,318,050.61

Finding the Fourth Proportional to 18,577,989.81, 25,637,685.35 and 10,318,050.61

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Solution

The fourth proportional to 18,577,989.81, 25,637,685.35 and 10,318,050.61 is: 14,238,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577,989.81 : 25,637,685.35 = 10,318,050.61 : x
  2. Step 2: Convert to fraction form
    18,577,989.81/25,637,685.35 = 10,318,050.61/x
  3. Step 3: Cross multiply
    18,577,989.81x = 25,637,685.35 × 10,318,050.61
  4. Step 4: Simplify right side
    18,577,989.81x = 264,530,934,848,871.09
  5. Step 5: Solve for x
    x = 264,530,934,848,871.09/18,577,989.81
  6. Step 6: Final answer
    x = 14,238,942.83

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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.