Home / 18,977,642.72-26,188,665.12-10,605,084.32

Finding the Fourth Proportional to 18,977,642.72, 26,188,665.12 and 10,605,084.32

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Solution

The fourth proportional to 18,977,642.72, 26,188,665.12 and 10,605,084.32 is: 14,634,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977,642.72 : 26,188,665.12 = 10,605,084.32 : x
  2. Step 2: Convert to fraction form
    18,977,642.72/26,188,665.12 = 10,605,084.32/x
  3. Step 3: Cross multiply
    18,977,642.72x = 26,188,665.12 × 10,605,084.32
  4. Step 4: Simplify right side
    18,977,642.72x = 277,733,001,825,842.94
  5. Step 5: Solve for x
    x = 277,733,001,825,842.94/18,977,642.72
  6. Step 6: Final answer
    x = 14,634,747.10

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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.