Home / 7,013,362.23-9,678,345.08-3,915,933.57

Finding the Fourth Proportional to 7,013,362.23, 9,678,345.08 and 3,915,933.57

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Solution

The fourth proportional to 7,013,362.23, 9,678,345.08 and 3,915,933.57 is: 5,403,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,362.23 : 9,678,345.08 = 3,915,933.57 : x
  2. Step 2: Convert to fraction form
    7,013,362.23/9,678,345.08 = 3,915,933.57/x
  3. Step 3: Cross multiply
    7,013,362.23x = 9,678,345.08 × 3,915,933.57
  4. Step 4: Simplify right side
    7,013,362.23x = 37,899,756,381,236.66
  5. Step 5: Solve for x
    x = 37,899,756,381,236.66/7,013,362.23
  6. Step 6: Final answer
    x = 5,403,935.39

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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.