Home / 21,751,281.61-30,017,538.92-11,962,483.45

Finding the Fourth Proportional to 21,751,281.61, 30,017,538.92 and 11,962,483.45

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Solution

The fourth proportional to 21,751,281.61, 30,017,538.92 and 11,962,483.45 is: 16,508,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,281.61 : 30,017,538.92 = 11,962,483.45 : x
  2. Step 2: Convert to fraction form
    21,751,281.61/30,017,538.92 = 11,962,483.45/x
  3. Step 3: Cross multiply
    21,751,281.61x = 30,017,538.92 × 11,962,483.45
  4. Step 4: Simplify right side
    21,751,281.61x = 359,084,312,540,230.88
  5. Step 5: Solve for x
    x = 359,084,312,540,230.88/21,751,281.61
  6. Step 6: Final answer
    x = 16,508,650.80

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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.