Home / 14,188,638.72-19,580,321.10-7,662,267.65

Finding the Fourth Proportional to 14,188,638.72, 19,580,321.10 and 7,662,267.65

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Solution

The fourth proportional to 14,188,638.72, 19,580,321.10 and 7,662,267.65 is: 10,573,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,638.72 : 19,580,321.10 = 7,662,267.65 : x
  2. Step 2: Convert to fraction form
    14,188,638.72/19,580,321.10 = 7,662,267.65/x
  3. Step 3: Cross multiply
    14,188,638.72x = 19,580,321.10 × 7,662,267.65
  4. Step 4: Simplify right side
    14,188,638.72x = 150,029,660,843,240.81
  5. Step 5: Solve for x
    x = 150,029,660,843,240.81/14,188,638.72
  6. Step 6: Final answer
    x = 10,573,929.17

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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.