Home / 21,962,686.90-30,310,321.72-12,176,200.89

Finding the Fourth Proportional to 21,962,686.90, 30,310,321.72 and 12,176,200.89

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Solution

The fourth proportional to 21,962,686.90, 30,310,321.72 and 12,176,200.89 is: 16,804,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,686.90 : 30,310,321.72 = 12,176,200.89 : x
  2. Step 2: Convert to fraction form
    21,962,686.90/30,310,321.72 = 12,176,200.89/x
  3. Step 3: Cross multiply
    21,962,686.90x = 30,310,321.72 × 12,176,200.89
  4. Step 4: Simplify right side
    21,962,686.90x = 369,064,566,303,250.31
  5. Step 5: Solve for x
    x = 369,064,566,303,250.31/21,962,686.90
  6. Step 6: Final answer
    x = 16,804,162.81

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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.