Home / 18,210,472.52-27,335,154.96-7,840,828.40

Finding the Fourth Proportional to 18,210,472.52, 27,335,154.96 and 7,840,828.40

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Solution

The fourth proportional to 18,210,472.52, 27,335,154.96 and 7,840,828.40 is: 11,769,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210,472.52 : 27,335,154.96 = 7,840,828.40 : x
  2. Step 2: Convert to fraction form
    18,210,472.52/27,335,154.96 = 7,840,828.40/x
  3. Step 3: Cross multiply
    18,210,472.52x = 27,335,154.96 × 7,840,828.40
  4. Step 4: Simplify right side
    18,210,472.52x = 214,330,259,192,093.09
  5. Step 5: Solve for x
    x = 214,330,259,192,093.09/18,210,472.52
  6. Step 6: Final answer
    x = 11,769,615.48

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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.