Home / 26,071,314.40-39,106,971.60-13,978,079.20

Finding the Fourth Proportional to 26,071,314.40, 39,106,971.60 and 13,978,079.20

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Solution

The fourth proportional to 26,071,314.40, 39,106,971.60 and 13,978,079.20 is: 20,967,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,071,314.40 : 39,106,971.60 = 13,978,079.20 : x
  2. Step 2: Convert to fraction form
    26,071,314.40/39,106,971.60 = 13,978,079.20/x
  3. Step 3: Cross multiply
    26,071,314.40x = 39,106,971.60 × 13,978,079.20
  4. Step 4: Simplify right side
    26,071,314.40x = 546,640,346,296,950.69
  5. Step 5: Solve for x
    x = 546,640,346,296,950.69/26,071,314.40
  6. Step 6: Final answer
    x = 20,967,118.80

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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.