Home / 13,674,339.36-18,870,872.40-7,563,180.96

Finding the Fourth Proportional to 13,674,339.36, 18,870,872.40 and 7,563,180.96

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Solution

The fourth proportional to 13,674,339.36, 18,870,872.40 and 7,563,180.96 is: 10,437,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,339.36 : 18,870,872.40 = 7,563,180.96 : x
  2. Step 2: Convert to fraction form
    13,674,339.36/18,870,872.40 = 7,563,180.96/x
  3. Step 3: Cross multiply
    13,674,339.36x = 18,870,872.40 × 7,563,180.96
  4. Step 4: Simplify right side
    13,674,339.36x = 142,723,822,834,269.50
  5. Step 5: Solve for x
    x = 142,723,822,834,269.50/13,674,339.36
  6. Step 6: Final answer
    x = 10,437,346.85

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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.