Home / 14,115,619.20-19,483,108.80-8,007,715.20

Finding the Fourth Proportional to 14,115,619.20, 19,483,108.80 and 8,007,715.20

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Solution

The fourth proportional to 14,115,619.20, 19,483,108.80 and 8,007,715.20 is: 11,052,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,619.20 : 19,483,108.80 = 8,007,715.20 : x
  2. Step 2: Convert to fraction form
    14,115,619.20/19,483,108.80 = 8,007,715.20/x
  3. Step 3: Cross multiply
    14,115,619.20x = 19,483,108.80 × 8,007,715.20
  4. Step 4: Simplify right side
    14,115,619.20x = 156,015,186,481,013.78
  5. Step 5: Solve for x
    x = 156,015,186,481,013.78/14,115,619.20
  6. Step 6: Final answer
    x = 11,052,663.31

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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.