Home / 18,103,530.60-27,134,300.70-7,313,747.40

Finding the Fourth Proportional to 18,103,530.60, 27,134,300.70 and 7,313,747.40

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Solution

The fourth proportional to 18,103,530.60, 27,134,300.70 and 7,313,747.40 is: 10,962,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,530.60 : 27,134,300.70 = 7,313,747.40 : x
  2. Step 2: Convert to fraction form
    18,103,530.60/27,134,300.70 = 7,313,747.40/x
  3. Step 3: Cross multiply
    18,103,530.60x = 27,134,300.70 × 7,313,747.40
  4. Step 4: Simplify right side
    18,103,530.60x = 198,453,421,195,443.19
  5. Step 5: Solve for x
    x = 198,453,421,195,443.19/18,103,530.60
  6. Step 6: Final answer
    x = 10,962,139.13

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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.