Home / 14,658,013.99-20,228,083.14-8,131,643.61

Finding the Fourth Proportional to 14,658,013.99, 20,228,083.14 and 8,131,643.61

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Solution

The fourth proportional to 14,658,013.99, 20,228,083.14 and 8,131,643.61 is: 11,221,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,013.99 : 20,228,083.14 = 8,131,643.61 : x
  2. Step 2: Convert to fraction form
    14,658,013.99/20,228,083.14 = 8,131,643.61/x
  3. Step 3: Cross multiply
    14,658,013.99x = 20,228,083.14 × 8,131,643.61
  4. Step 4: Simplify right side
    14,658,013.99x = 164,487,563,007,929.75
  5. Step 5: Solve for x
    x = 164,487,563,007,929.75/14,658,013.99
  6. Step 6: Final answer
    x = 11,221,681.40

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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.