Home / 13,263,499.71-19,895,247.87-3,678,878.19

Finding the Fourth Proportional to 13,263,499.71, 19,895,247.87 and 3,678,878.19

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Solution

The fourth proportional to 13,263,499.71, 19,895,247.87 and 3,678,878.19 is: 5,518,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,499.71 : 19,895,247.87 = 3,678,878.19 : x
  2. Step 2: Convert to fraction form
    13,263,499.71/19,895,247.87 = 3,678,878.19/x
  3. Step 3: Cross multiply
    13,263,499.71x = 19,895,247.87 × 3,678,878.19
  4. Step 4: Simplify right side
    13,263,499.71x = 73,192,193,473,586.95
  5. Step 5: Solve for x
    x = 73,192,193,473,586.95/13,263,499.71
  6. Step 6: Final answer
    x = 5,518,316.81

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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.