Home / 14,289,144.90-19,720,710.45-8,487,949.56

Finding the Fourth Proportional to 14,289,144.90, 19,720,710.45 and 8,487,949.56

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Solution

The fourth proportional to 14,289,144.90, 19,720,710.45 and 8,487,949.56 is: 11,714,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,144.90 : 19,720,710.45 = 8,487,949.56 : x
  2. Step 2: Convert to fraction form
    14,289,144.90/19,720,710.45 = 8,487,949.56/x
  3. Step 3: Cross multiply
    14,289,144.90x = 19,720,710.45 × 8,487,949.56
  4. Step 4: Simplify right side
    14,289,144.90x = 167,388,395,586,964.91
  5. Step 5: Solve for x
    x = 167,388,395,586,964.91/14,289,144.90
  6. Step 6: Final answer
    x = 11,714,374.57

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1.5x scale

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.