Home / 9,715,123.69-13,406,935.51-5,304,879.95

Finding the Fourth Proportional to 9,715,123.69, 13,406,935.51 and 5,304,879.95

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Solution

The fourth proportional to 9,715,123.69, 13,406,935.51 and 5,304,879.95 is: 7,320,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,123.69 : 13,406,935.51 = 5,304,879.95 : x
  2. Step 2: Convert to fraction form
    9,715,123.69/13,406,935.51 = 5,304,879.95/x
  3. Step 3: Cross multiply
    9,715,123.69x = 13,406,935.51 × 5,304,879.95
  4. Step 4: Simplify right side
    9,715,123.69x = 71,122,183,351,417.62
  5. Step 5: Solve for x
    x = 71,122,183,351,417.62/9,715,123.69
  6. Step 6: Final answer
    x = 7,320,769.72

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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.