Home / 19,269,971.88-28,920,859.74-9,688,073.64

Finding the Fourth Proportional to 19,269,971.88, 28,920,859.74 and 9,688,073.64

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Solution

The fourth proportional to 19,269,971.88, 28,920,859.74 and 9,688,073.64 is: 14,540,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269,971.88 : 28,920,859.74 = 9,688,073.64 : x
  2. Step 2: Convert to fraction form
    19,269,971.88/28,920,859.74 = 9,688,073.64/x
  3. Step 3: Cross multiply
    19,269,971.88x = 28,920,859.74 × 9,688,073.64
  4. Step 4: Simplify right side
    19,269,971.88x = 280,187,418,893,231.25
  5. Step 5: Solve for x
    x = 280,187,418,893,231.25/19,269,971.88
  6. Step 6: Final answer
    x = 14,540,105.23

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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.