Home / 28,969,688.70-43,487,710.65-17,009,163.90

Finding the Fourth Proportional to 28,969,688.70, 43,487,710.65 and 17,009,163.90

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Solution

The fourth proportional to 28,969,688.70, 43,487,710.65 and 17,009,163.90 is: 25,533,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,688.70 : 43,487,710.65 = 17,009,163.90 : x
  2. Step 2: Convert to fraction form
    28,969,688.70/43,487,710.65 = 17,009,163.90/x
  3. Step 3: Cross multiply
    28,969,688.70x = 43,487,710.65 × 17,009,163.90
  4. Step 4: Simplify right side
    28,969,688.70x = 739,689,598,081,625.50
  5. Step 5: Solve for x
    x = 739,689,598,081,625.50/28,969,688.70
  6. Step 6: Final answer
    x = 25,533,225.63

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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.