Home / 12,672,007.80-19,008,011.70-12,224,110.20

Finding the Fourth Proportional to 12,672,007.80, 19,008,011.70 and 12,224,110.20

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Solution

The fourth proportional to 12,672,007.80, 19,008,011.70 and 12,224,110.20 is: 18,336,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,007.80 : 19,008,011.70 = 12,224,110.20 : x
  2. Step 2: Convert to fraction form
    12,672,007.80/19,008,011.70 = 12,224,110.20/x
  3. Step 3: Cross multiply
    12,672,007.80x = 19,008,011.70 × 12,224,110.20
  4. Step 4: Simplify right side
    12,672,007.80x = 232,356,029,703,689.31
  5. Step 5: Solve for x
    x = 232,356,029,703,689.31/12,672,007.80
  6. Step 6: Final answer
    x = 18,336,165.30

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1.5x scale

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.