Home / 9,715,123.44-13,406,935.16-5,304,879.70

Finding the Fourth Proportional to 9,715,123.44, 13,406,935.16 and 5,304,879.70

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Solution

The fourth proportional to 9,715,123.44, 13,406,935.16 and 5,304,879.70 is: 7,320,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,123.44 : 13,406,935.16 = 5,304,879.70 : x
  2. Step 2: Convert to fraction form
    9,715,123.44/13,406,935.16 = 5,304,879.70/x
  3. Step 3: Cross multiply
    9,715,123.44x = 13,406,935.16 × 5,304,879.70
  4. Step 4: Simplify right side
    9,715,123.44x = 71,122,178,169,500.25
  5. Step 5: Solve for x
    x = 71,122,178,169,500.25/9,715,123.44
  6. Step 6: Final answer
    x = 7,320,769.38

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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.