Home / 8,889,890.40-12,268,107.64-4,815,509.36

Finding the Fourth Proportional to 8,889,890.40, 12,268,107.64 and 4,815,509.36

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Solution

The fourth proportional to 8,889,890.40, 12,268,107.64 and 4,815,509.36 is: 6,645,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,890.40 : 12,268,107.64 = 4,815,509.36 : x
  2. Step 2: Convert to fraction form
    8,889,890.40/12,268,107.64 = 4,815,509.36/x
  3. Step 3: Cross multiply
    8,889,890.40x = 12,268,107.64 × 4,815,509.36
  4. Step 4: Simplify right side
    8,889,890.40x = 59,077,187,169,907.52
  5. Step 5: Solve for x
    x = 59,077,187,169,907.52/8,889,890.40
  6. Step 6: Final answer
    x = 6,645,434.82

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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.