Home / 9,207,907.09-12,709,362.44-5,439,270.76

Finding the Fourth Proportional to 9,207,907.09, 12,709,362.44 and 5,439,270.76

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Solution

The fourth proportional to 9,207,907.09, 12,709,362.44 and 5,439,270.76 is: 7,507,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,907.09 : 12,709,362.44 = 5,439,270.76 : x
  2. Step 2: Convert to fraction form
    9,207,907.09/12,709,362.44 = 5,439,270.76/x
  3. Step 3: Cross multiply
    9,207,907.09x = 12,709,362.44 × 5,439,270.76
  4. Step 4: Simplify right side
    9,207,907.09x = 69,129,663,479,959.03
  5. Step 5: Solve for x
    x = 69,129,663,479,959.03/9,207,907.09
  6. Step 6: Final answer
    x = 7,507,641.29

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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.