Home / 21,176,895.96-31,768,886.88-16,627,761

Finding the Fourth Proportional to 21,176,895.96, 31,768,886.88 and 16,627,761

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Solution

The fourth proportional to 21,176,895.96, 31,768,886.88 and 16,627,761 is: 24,944,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176,895.96 : 31,768,886.88 = 16,627,761 : x
  2. Step 2: Convert to fraction form
    21,176,895.96/31,768,886.88 = 16,627,761/x
  3. Step 3: Cross multiply
    21,176,895.96x = 31,768,886.88 × 16,627,761
  4. Step 4: Simplify right side
    21,176,895.96x = 528,245,458,276,675.69
  5. Step 5: Solve for x
    x = 528,245,458,276,675.69/21,176,895.96
  6. Step 6: Final answer
    x = 24,944,423.36

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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.