Home / 18,607,690.61-25,674,849.38-10,871,238.86

Finding the Fourth Proportional to 18,607,690.61, 25,674,849.38 and 10,871,238.86

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Solution

The fourth proportional to 18,607,690.61, 25,674,849.38 and 10,871,238.86 is: 15,000,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607,690.61 : 25,674,849.38 = 10,871,238.86 : x
  2. Step 2: Convert to fraction form
    18,607,690.61/25,674,849.38 = 10,871,238.86/x
  3. Step 3: Cross multiply
    18,607,690.61x = 25,674,849.38 × 10,871,238.86
  4. Step 4: Simplify right side
    18,607,690.61x = 279,117,420,250,146.69
  5. Step 5: Solve for x
    x = 279,117,420,250,146.69/18,607,690.61
  6. Step 6: Final answer
    x = 15,000,110.77

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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.