Home / 14,500,511.88-20,010,283.20-7,974,134.52

Finding the Fourth Proportional to 14,500,511.88, 20,010,283.20 and 7,974,134.52

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Solution

The fourth proportional to 14,500,511.88, 20,010,283.20 and 7,974,134.52 is: 11,004,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,511.88 : 20,010,283.20 = 7,974,134.52 : x
  2. Step 2: Convert to fraction form
    14,500,511.88/20,010,283.20 = 7,974,134.52/x
  3. Step 3: Cross multiply
    14,500,511.88x = 20,010,283.20 × 7,974,134.52
  4. Step 4: Simplify right side
    14,500,511.88x = 159,564,690,020,096.06
  5. Step 5: Solve for x
    x = 159,564,690,020,096.06/14,500,511.88
  6. Step 6: Final answer
    x = 11,004,072.91

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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.