Home / 19,144,414.40-28,716,621.60-12,774,315.20

Finding the Fourth Proportional to 19,144,414.40, 28,716,621.60 and 12,774,315.20

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Solution

The fourth proportional to 19,144,414.40, 28,716,621.60 and 12,774,315.20 is: 19,161,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,414.40 : 28,716,621.60 = 12,774,315.20 : x
  2. Step 2: Convert to fraction form
    19,144,414.40/28,716,621.60 = 12,774,315.20/x
  3. Step 3: Cross multiply
    19,144,414.40x = 28,716,621.60 × 12,774,315.20
  4. Step 4: Simplify right side
    19,144,414.40x = 366,835,175,797,528.31
  5. Step 5: Solve for x
    x = 366,835,175,797,528.31/19,144,414.40
  6. Step 6: Final answer
    x = 19,161,472.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.