Home / 9,715,123.19-13,406,934.82-5,304,879.45

Finding the Fourth Proportional to 9,715,123.19, 13,406,934.82 and 5,304,879.45

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Solution

The fourth proportional to 9,715,123.19, 13,406,934.82 and 5,304,879.45 is: 7,320,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,123.19 : 13,406,934.82 = 5,304,879.45 : x
  2. Step 2: Convert to fraction form
    9,715,123.19/13,406,934.82 = 5,304,879.45/x
  3. Step 3: Cross multiply
    9,715,123.19x = 13,406,934.82 × 5,304,879.45
  4. Step 4: Simplify right side
    9,715,123.19x = 71,122,172,987,583.05
  5. Step 5: Solve for x
    x = 71,122,172,987,583.05/9,715,123.19
  6. Step 6: Final answer
    x = 7,320,769.03

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1.5x scale

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.