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Finding the Fourth Proportional to 18,607,723.07, 25,674,894.86 and 10,871,270.73

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Solution

The fourth proportional to 18,607,723.07, 25,674,894.86 and 10,871,270.73 is: 15,000,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607,723.07 : 25,674,894.86 = 10,871,270.73 : x
  2. Step 2: Convert to fraction form
    18,607,723.07/25,674,894.86 = 10,871,270.73/x
  3. Step 3: Cross multiply
    18,607,723.07x = 25,674,894.86 × 10,871,270.73
  4. Step 4: Simplify right side
    18,607,723.07x = 279,118,732,932,989.12
  5. Step 5: Solve for x
    x = 279,118,732,932,989.12/18,607,723.07
  6. Step 6: Final answer
    x = 15,000,155.15

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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.