Home / 13,444,921.04-18,555,559.63-7,644,571.88

Finding the Fourth Proportional to 13,444,921.04, 18,555,559.63 and 7,644,571.88

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Solution

The fourth proportional to 13,444,921.04, 18,555,559.63 and 7,644,571.88 is: 10,550,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,921.04 : 18,555,559.63 = 7,644,571.88 : x
  2. Step 2: Convert to fraction form
    13,444,921.04/18,555,559.63 = 7,644,571.88/x
  3. Step 3: Cross multiply
    13,444,921.04x = 18,555,559.63 × 7,644,571.88
  4. Step 4: Simplify right side
    13,444,921.04x = 141,849,309,253,272
  5. Step 5: Solve for x
    x = 141,849,309,253,272/13,444,921.04
  6. Step 6: Final answer
    x = 10,550,401.07

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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.