Home / 13,156,916.15-19,704,717.95-12,793,699.19

Finding the Fourth Proportional to 13,156,916.15, 19,704,717.95 and 12,793,699.19

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Solution

The fourth proportional to 13,156,916.15, 19,704,717.95 and 12,793,699.19 is: 19,160,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,916.15 : 19,704,717.95 = 12,793,699.19 : x
  2. Step 2: Convert to fraction form
    13,156,916.15/19,704,717.95 = 12,793,699.19/x
  3. Step 3: Cross multiply
    13,156,916.15x = 19,704,717.95 × 12,793,699.19
  4. Step 4: Simplify right side
    13,156,916.15x = 252,096,234,076,093.44
  5. Step 5: Solve for x
    x = 252,096,234,076,093.44/13,156,916.15
  6. Step 6: Final answer
    x = 19,160,738.82

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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.