Home / 21,905,383.80-32,876,738.10-9,793,486.20

Finding the Fourth Proportional to 21,905,383.80, 32,876,738.10 and 9,793,486.20

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Solution

The fourth proportional to 21,905,383.80, 32,876,738.10 and 9,793,486.20 is: 14,698,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905,383.80 : 32,876,738.10 = 9,793,486.20 : x
  2. Step 2: Convert to fraction form
    21,905,383.80/32,876,738.10 = 9,793,486.20/x
  3. Step 3: Cross multiply
    21,905,383.80x = 32,876,738.10 × 9,793,486.20
  4. Step 4: Simplify right side
    21,905,383.80x = 321,977,880,883,364.19
  5. Step 5: Solve for x
    x = 321,977,880,883,364.19/21,905,383.80
  6. Step 6: Final answer
    x = 14,698,572.91

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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.