Home / 9,280,807.88-12,807,602.35-5,206,514.36

Finding the Fourth Proportional to 9,280,807.88, 12,807,602.35 and 5,206,514.36

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Solution

The fourth proportional to 9,280,807.88, 12,807,602.35 and 5,206,514.36 is: 7,185,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,807.88 : 12,807,602.35 = 5,206,514.36 : x
  2. Step 2: Convert to fraction form
    9,280,807.88/12,807,602.35 = 5,206,514.36/x
  3. Step 3: Cross multiply
    9,280,807.88x = 12,807,602.35 × 5,206,514.36
  4. Step 4: Simplify right side
    9,280,807.88x = 66,682,965,475,390.45
  5. Step 5: Solve for x
    x = 66,682,965,475,390.45/9,280,807.88
  6. Step 6: Final answer
    x = 7,185,038.89

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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.