Home / 21,849,999.42-30,156,034.95-12,192,829.50

Finding the Fourth Proportional to 21,849,999.42, 30,156,034.95 and 12,192,829.50

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Solution

The fourth proportional to 21,849,999.42, 30,156,034.95 and 12,192,829.50 is: 16,827,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,999.42 : 30,156,034.95 = 12,192,829.50 : x
  2. Step 2: Convert to fraction form
    21,849,999.42/30,156,034.95 = 12,192,829.50/x
  3. Step 3: Cross multiply
    21,849,999.42x = 30,156,034.95 × 12,192,829.50
  4. Step 4: Simplify right side
    21,849,999.42x = 367,687,392,541,391
  5. Step 5: Solve for x
    x = 367,687,392,541,391/21,849,999.42
  6. Step 6: Final answer
    x = 16,827,798.73

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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.