Home / 12,381,588.06-18,571,882.77-6,316,186.74

Finding the Fourth Proportional to 12,381,588.06, 18,571,882.77 and 6,316,186.74

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Solution

The fourth proportional to 12,381,588.06, 18,571,882.77 and 6,316,186.74 is: 9,474,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,588.06 : 18,571,882.77 = 6,316,186.74 : x
  2. Step 2: Convert to fraction form
    12,381,588.06/18,571,882.77 = 6,316,186.74/x
  3. Step 3: Cross multiply
    12,381,588.06x = 18,571,882.77 × 6,316,186.74
  4. Step 4: Simplify right side
    12,381,588.06x = 117,303,479,688,708.47
  5. Step 5: Solve for x
    x = 117,303,479,688,708.47/12,381,588.06
  6. Step 6: Final answer
    x = 9,474,025.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.