Home / 21,851,106.94-30,154,523-12,061,548.54

Finding the Fourth Proportional to 21,851,106.94, 30,154,523 and 12,061,548.54

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Solution

The fourth proportional to 21,851,106.94, 30,154,523 and 12,061,548.54 is: 16,644,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,106.94 : 30,154,523 = 12,061,548.54 : x
  2. Step 2: Convert to fraction form
    21,851,106.94/30,154,523 = 12,061,548.54/x
  3. Step 3: Cross multiply
    21,851,106.94x = 30,154,523 × 12,061,548.54
  4. Step 4: Simplify right side
    21,851,106.94x = 363,710,242,865,046.38
  5. Step 5: Solve for x
    x = 363,710,242,865,046.38/21,851,106.94
  6. Step 6: Final answer
    x = 16,644,934.46

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1.5x scale

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.