Home / 21,934,054.40-30,259,465.65-13,227,388.70

Finding the Fourth Proportional to 21,934,054.40, 30,259,465.65 and 13,227,388.70

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Solution

The fourth proportional to 21,934,054.40, 30,259,465.65 and 13,227,388.70 is: 18,248,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,054.40 : 30,259,465.65 = 13,227,388.70 : x
  2. Step 2: Convert to fraction form
    21,934,054.40/30,259,465.65 = 13,227,388.70/x
  3. Step 3: Cross multiply
    21,934,054.40x = 30,259,465.65 × 13,227,388.70
  4. Step 4: Simplify right side
    21,934,054.40x = 400,253,713,855,550.81
  5. Step 5: Solve for x
    x = 400,253,713,855,550.81/21,934,054.40
  6. Step 6: Final answer
    x = 18,248,049.66

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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.