Home / 7,152,193.62-9,870,073.56-3,889,043.82

Finding the Fourth Proportional to 7,152,193.62, 9,870,073.56 and 3,889,043.82

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Solution

The fourth proportional to 7,152,193.62, 9,870,073.56 and 3,889,043.82 is: 5,366,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,193.62 : 9,870,073.56 = 3,889,043.82 : x
  2. Step 2: Convert to fraction form
    7,152,193.62/9,870,073.56 = 3,889,043.82/x
  3. Step 3: Cross multiply
    7,152,193.62x = 9,870,073.56 × 3,889,043.82
  4. Step 4: Simplify right side
    7,152,193.62x = 38,385,148,581,463.40
  5. Step 5: Solve for x
    x = 38,385,148,581,463.40/7,152,193.62
  6. Step 6: Final answer
    x = 5,366,905.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.