Home / 19,439,043.15-26,825,813.13-11,178,715.44

Finding the Fourth Proportional to 19,439,043.15, 26,825,813.13 and 11,178,715.44

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Solution

The fourth proportional to 19,439,043.15, 26,825,813.13 and 11,178,715.44 is: 15,426,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439,043.15 : 26,825,813.13 = 11,178,715.44 : x
  2. Step 2: Convert to fraction form
    19,439,043.15/26,825,813.13 = 11,178,715.44/x
  3. Step 3: Cross multiply
    19,439,043.15x = 26,825,813.13 × 11,178,715.44
  4. Step 4: Simplify right side
    19,439,043.15x = 299,878,131,426,885.69
  5. Step 5: Solve for x
    x = 299,878,131,426,885.69/19,439,043.15
  6. Step 6: Final answer
    x = 15,426,589.11

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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.