Home / 7,123,479.04-9,828,952.32-4,221,592.96

Finding the Fourth Proportional to 7,123,479.04, 9,828,952.32 and 4,221,592.96

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Solution

The fourth proportional to 7,123,479.04, 9,828,952.32 and 4,221,592.96 is: 5,824,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,479.04 : 9,828,952.32 = 4,221,592.96 : x
  2. Step 2: Convert to fraction form
    7,123,479.04/9,828,952.32 = 4,221,592.96/x
  3. Step 3: Cross multiply
    7,123,479.04x = 9,828,952.32 × 4,221,592.96
  4. Step 4: Simplify right side
    7,123,479.04x = 41,493,835,918,287.67
  5. Step 5: Solve for x
    x = 41,493,835,918,287.67/7,123,479.04
  6. Step 6: Final answer
    x = 5,824,939.71

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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.