Home / 19,306,811.40-28,941,785.10-7,173,025.80

Finding the Fourth Proportional to 19,306,811.40, 28,941,785.10 and 7,173,025.80

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Solution

The fourth proportional to 19,306,811.40, 28,941,785.10 and 7,173,025.80 is: 10,752,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,811.40 : 28,941,785.10 = 7,173,025.80 : x
  2. Step 2: Convert to fraction form
    19,306,811.40/28,941,785.10 = 7,173,025.80/x
  3. Step 3: Cross multiply
    19,306,811.40x = 28,941,785.10 × 7,173,025.80
  4. Step 4: Simplify right side
    19,306,811.40x = 207,600,171,220,355.59
  5. Step 5: Solve for x
    x = 207,600,171,220,355.59/19,306,811.40
  6. Step 6: Final answer
    x = 10,752,690.69

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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.