Home / 13,899,139.95-20,849,148.71-4,801,755.77

Finding the Fourth Proportional to 13,899,139.95, 20,849,148.71 and 4,801,755.77

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Solution

The fourth proportional to 13,899,139.95, 20,849,148.71 and 4,801,755.77 is: 7,202,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,139.95 : 20,849,148.71 = 4,801,755.77 : x
  2. Step 2: Convert to fraction form
    13,899,139.95/20,849,148.71 = 4,801,755.77/x
  3. Step 3: Cross multiply
    13,899,139.95x = 20,849,148.71 × 4,801,755.77
  4. Step 4: Simplify right side
    13,899,139.95x = 100,112,519,989,576.02
  5. Step 5: Solve for x
    x = 100,112,519,989,576.02/13,899,139.95
  6. Step 6: Final answer
    x = 7,202,785.23

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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.