Home / 18,212,411.10-27,315,117.45-5,433,332.70

Finding the Fourth Proportional to 18,212,411.10, 27,315,117.45 and 5,433,332.70

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Solution

The fourth proportional to 18,212,411.10, 27,315,117.45 and 5,433,332.70 is: 8,148,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,411.10 : 27,315,117.45 = 5,433,332.70 : x
  2. Step 2: Convert to fraction form
    18,212,411.10/27,315,117.45 = 5,433,332.70/x
  3. Step 3: Cross multiply
    18,212,411.10x = 27,315,117.45 × 5,433,332.70
  4. Step 4: Simplify right side
    18,212,411.10x = 148,412,120,845,425.62
  5. Step 5: Solve for x
    x = 148,412,120,845,425.62/18,212,411.10
  6. Step 6: Final answer
    x = 8,148,955.13

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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.