Home / 28,782,785.76-39,725,158.32-17,180,947.68

Finding the Fourth Proportional to 28,782,785.76, 39,725,158.32 and 17,180,947.68

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Solution

The fourth proportional to 28,782,785.76, 39,725,158.32 and 17,180,947.68 is: 23,712,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782,785.76 : 39,725,158.32 = 17,180,947.68 : x
  2. Step 2: Convert to fraction form
    28,782,785.76/39,725,158.32 = 17,180,947.68/x
  3. Step 3: Cross multiply
    28,782,785.76x = 39,725,158.32 × 17,180,947.68
  4. Step 4: Simplify right side
    28,782,785.76x = 682,515,866,675,636.75
  5. Step 5: Solve for x
    x = 682,515,866,675,636.75/28,782,785.76
  6. Step 6: Final answer
    x = 23,712,641.03

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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.