Home / 21,185,209.02-29,235,470.93-11,892,776.63

Finding the Fourth Proportional to 21,185,209.02, 29,235,470.93 and 11,892,776.63

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Solution

The fourth proportional to 21,185,209.02, 29,235,470.93 and 11,892,776.63 is: 16,411,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185,209.02 : 29,235,470.93 = 11,892,776.63 : x
  2. Step 2: Convert to fraction form
    21,185,209.02/29,235,470.93 = 11,892,776.63/x
  3. Step 3: Cross multiply
    21,185,209.02x = 29,235,470.93 × 11,892,776.63
  4. Step 4: Simplify right side
    21,185,209.02x = 347,690,925,443,348.38
  5. Step 5: Solve for x
    x = 347,690,925,443,348.38/21,185,209.02
  6. Step 6: Final answer
    x = 16,411,965.78

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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.