Home / 21,851,117.24-30,154,537.24-12,061,558.88

Finding the Fourth Proportional to 21,851,117.24, 30,154,537.24 and 12,061,558.88

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Solution

The fourth proportional to 21,851,117.24, 30,154,537.24 and 12,061,558.88 is: 16,644,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,117.24 : 30,154,537.24 = 12,061,558.88 : x
  2. Step 2: Convert to fraction form
    21,851,117.24/30,154,537.24 = 12,061,558.88/x
  3. Step 3: Cross multiply
    21,851,117.24x = 30,154,537.24 × 12,061,558.88
  4. Step 4: Simplify right side
    21,851,117.24x = 363,710,726,419,412.69
  5. Step 5: Solve for x
    x = 363,710,726,419,412.69/21,851,117.24
  6. Step 6: Final answer
    x = 16,644,948.74

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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.