Home / 14,464,228.21-21,695,013.69-4,879,689.78

Finding the Fourth Proportional to 14,464,228.21, 21,695,013.69 and 4,879,689.78

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Solution

The fourth proportional to 14,464,228.21, 21,695,013.69 and 4,879,689.78 is: 7,319,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464,228.21 : 21,695,013.69 = 4,879,689.78 : x
  2. Step 2: Convert to fraction form
    14,464,228.21/21,695,013.69 = 4,879,689.78/x
  3. Step 3: Cross multiply
    14,464,228.21x = 21,695,013.69 × 4,879,689.78
  4. Step 4: Simplify right side
    14,464,228.21x = 105,864,936,580,053.09
  5. Step 5: Solve for x
    x = 105,864,936,580,053.09/14,464,228.21
  6. Step 6: Final answer
    x = 7,319,086.44

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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.