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Finding the Fourth Proportional to 17,208,054.80, 25,780,978.20 and 10,013,699.60

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Solution

The fourth proportional to 17,208,054.80, 25,780,978.20 and 10,013,699.60 is: 15,002,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208,054.80 : 25,780,978.20 = 10,013,699.60 : x
  2. Step 2: Convert to fraction form
    17,208,054.80/25,780,978.20 = 10,013,699.60/x
  3. Step 3: Cross multiply
    17,208,054.80x = 25,780,978.20 × 10,013,699.60
  4. Step 4: Simplify right side
    17,208,054.80x = 258,162,971,088,948.69
  5. Step 5: Solve for x
    x = 258,162,971,088,948.69/17,208,054.80
  6. Step 6: Final answer
    x = 15,002,449.38

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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.