Home / 19,447,010.72-29,188,823.64-9,869,262.88

Finding the Fourth Proportional to 19,447,010.72, 29,188,823.64 and 9,869,262.88

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Solution

The fourth proportional to 19,447,010.72, 29,188,823.64 and 9,869,262.88 is: 14,813,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447,010.72 : 29,188,823.64 = 9,869,262.88 : x
  2. Step 2: Convert to fraction form
    19,447,010.72/29,188,823.64 = 9,869,262.88/x
  3. Step 3: Cross multiply
    19,447,010.72x = 29,188,823.64 × 9,869,262.88
  4. Step 4: Simplify right side
    19,447,010.72x = 288,072,173,661,118.50
  5. Step 5: Solve for x
    x = 288,072,173,661,118.50/19,447,010.72
  6. Step 6: Final answer
    x = 14,813,185.32

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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.