Home / 13,288,512.70-19,932,769.05-7,226,148.70

Finding the Fourth Proportional to 13,288,512.70, 19,932,769.05 and 7,226,148.70

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Solution

The fourth proportional to 13,288,512.70, 19,932,769.05 and 7,226,148.70 is: 10,839,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,512.70 : 19,932,769.05 = 7,226,148.70 : x
  2. Step 2: Convert to fraction form
    13,288,512.70/19,932,769.05 = 7,226,148.70/x
  3. Step 3: Cross multiply
    13,288,512.70x = 19,932,769.05 × 7,226,148.70
  4. Step 4: Simplify right side
    13,288,512.70x = 144,037,153,158,057.75
  5. Step 5: Solve for x
    x = 144,037,153,158,057.75/13,288,512.70
  6. Step 6: Final answer
    x = 10,839,223.05

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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.