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Finding the Fourth Proportional to 17,848,652.40, 26,772,978.60 and 16,281,010.80

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Solution

The fourth proportional to 17,848,652.40, 26,772,978.60 and 16,281,010.80 is: 24,421,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,848,652.40 : 26,772,978.60 = 16,281,010.80 : x
  2. Step 2: Convert to fraction form
    17,848,652.40/26,772,978.60 = 16,281,010.80/x
  3. Step 3: Cross multiply
    17,848,652.40x = 26,772,978.60 × 16,281,010.80
  4. Step 4: Simplify right side
    17,848,652.40x = 435,891,153,734,768.94
  5. Step 5: Solve for x
    x = 435,891,153,734,768.94/17,848,652.40
  6. Step 6: Final answer
    x = 24,421,516.20

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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.