Home / 17,381,720.40-26,078,801.40-7,287,435.60

Finding the Fourth Proportional to 17,381,720.40, 26,078,801.40 and 7,287,435.60

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Solution

The fourth proportional to 17,381,720.40, 26,078,801.40 and 7,287,435.60 is: 10,933,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,720.40 : 26,078,801.40 = 7,287,435.60 : x
  2. Step 2: Convert to fraction form
    17,381,720.40/26,078,801.40 = 7,287,435.60/x
  3. Step 3: Cross multiply
    17,381,720.40x = 26,078,801.40 × 7,287,435.60
  4. Step 4: Simplify right side
    17,381,720.40x = 190,047,585,727,689.81
  5. Step 5: Solve for x
    x = 190,047,585,727,689.81/17,381,720.40
  6. Step 6: Final answer
    x = 10,933,761.52

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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.