Home / 14,188,150.16-21,281,437.74-12,608,786.24

Finding the Fourth Proportional to 14,188,150.16, 21,281,437.74 and 12,608,786.24

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Solution

The fourth proportional to 14,188,150.16, 21,281,437.74 and 12,608,786.24 is: 18,912,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,150.16 : 21,281,437.74 = 12,608,786.24 : x
  2. Step 2: Convert to fraction form
    14,188,150.16/21,281,437.74 = 12,608,786.24/x
  3. Step 3: Cross multiply
    14,188,150.16x = 21,281,437.74 × 12,608,786.24
  4. Step 4: Simplify right side
    14,188,150.16x = 268,333,099,343,528.69
  5. Step 5: Solve for x
    x = 268,333,099,343,528.69/14,188,150.16
  6. Step 6: Final answer
    x = 18,912,479.52

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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.