Home / 28,980,043.60-43,470,065.40-15,543,115.60

Finding the Fourth Proportional to 28,980,043.60, 43,470,065.40 and 15,543,115.60

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Solution

The fourth proportional to 28,980,043.60, 43,470,065.40 and 15,543,115.60 is: 23,314,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980,043.60 : 43,470,065.40 = 15,543,115.60 : x
  2. Step 2: Convert to fraction form
    28,980,043.60/43,470,065.40 = 15,543,115.60/x
  3. Step 3: Cross multiply
    28,980,043.60x = 43,470,065.40 × 15,543,115.60
  4. Step 4: Simplify right side
    28,980,043.60x = 675,660,251,651,760.25
  5. Step 5: Solve for x
    x = 675,660,251,651,760.25/28,980,043.60
  6. Step 6: Final answer
    x = 23,314,673.40

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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.