Home / 13,594,849.50-18,761,387.34-7,399,596.78

Finding the Fourth Proportional to 13,594,849.50, 18,761,387.34 and 7,399,596.78

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Solution

The fourth proportional to 13,594,849.50, 18,761,387.34 and 7,399,596.78 is: 10,211,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594,849.50 : 18,761,387.34 = 7,399,596.78 : x
  2. Step 2: Convert to fraction form
    13,594,849.50/18,761,387.34 = 7,399,596.78/x
  3. Step 3: Cross multiply
    13,594,849.50x = 18,761,387.34 × 7,399,596.78
  4. Step 4: Simplify right side
    13,594,849.50x = 138,826,701,349,396.77
  5. Step 5: Solve for x
    x = 138,826,701,349,396.77/13,594,849.50
  6. Step 6: Final answer
    x = 10,211,713.00

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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.