Home / 9,078,386.57-13,614,922.65-7,476,977.69

Finding the Fourth Proportional to 9,078,386.57, 13,614,922.65 and 7,476,977.69

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Solution

The fourth proportional to 9,078,386.57, 13,614,922.65 and 7,476,977.69 is: 11,213,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,386.57 : 13,614,922.65 = 7,476,977.69 : x
  2. Step 2: Convert to fraction form
    9,078,386.57/13,614,922.65 = 7,476,977.69/x
  3. Step 3: Cross multiply
    9,078,386.57x = 13,614,922.65 × 7,476,977.69
  4. Step 4: Simplify right side
    9,078,386.57x = 101,798,472,905,125.69
  5. Step 5: Solve for x
    x = 101,798,472,905,125.69/9,078,386.57
  6. Step 6: Final answer
    x = 11,213,278.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.