Home / 18,438,864.42-25,444,965.94-10,178,749.39

Finding the Fourth Proportional to 18,438,864.42, 25,444,965.94 and 10,178,749.39

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Solution

The fourth proportional to 18,438,864.42, 25,444,965.94 and 10,178,749.39 is: 14,046,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,864.42 : 25,444,965.94 = 10,178,749.39 : x
  2. Step 2: Convert to fraction form
    18,438,864.42/25,444,965.94 = 10,178,749.39/x
  3. Step 3: Cross multiply
    18,438,864.42x = 25,444,965.94 × 10,178,749.39
  4. Step 4: Simplify right side
    18,438,864.42x = 258,997,931,540,345.81
  5. Step 5: Solve for x
    x = 258,997,931,540,345.81/18,438,864.42
  6. Step 6: Final answer
    x = 14,046,305.98

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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.