Home / 18,884,942.70-28,334,412.45-6,105,864.30

Finding the Fourth Proportional to 18,884,942.70, 28,334,412.45 and 6,105,864.30

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Solution

The fourth proportional to 18,884,942.70, 28,334,412.45 and 6,105,864.30 is: 9,161,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884,942.70 : 28,334,412.45 = 6,105,864.30 : x
  2. Step 2: Convert to fraction form
    18,884,942.70/28,334,412.45 = 6,105,864.30/x
  3. Step 3: Cross multiply
    18,884,942.70x = 28,334,412.45 × 6,105,864.30
  4. Step 4: Simplify right side
    18,884,942.70x = 173,006,077,439,930.53
  5. Step 5: Solve for x
    x = 173,006,077,439,930.53/18,884,942.70
  6. Step 6: Final answer
    x = 9,161,059.17

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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.