Home / 18,978,599.12-26,190,592.55-10,276,771.70

Finding the Fourth Proportional to 18,978,599.12, 26,190,592.55 and 10,276,771.70

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Solution

The fourth proportional to 18,978,599.12, 26,190,592.55 and 10,276,771.70 is: 14,182,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,978,599.12 : 26,190,592.55 = 10,276,771.70 : x
  2. Step 2: Convert to fraction form
    18,978,599.12/26,190,592.55 = 10,276,771.70/x
  3. Step 3: Cross multiply
    18,978,599.12x = 26,190,592.55 × 10,276,771.70
  4. Step 4: Simplify right side
    18,978,599.12x = 269,154,740,303,027.22
  5. Step 5: Solve for x
    x = 269,154,740,303,027.22/18,978,599.12
  6. Step 6: Final answer
    x = 14,182,013.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.