Home / 13,760,054.40-20,640,081.60-8,717,059.20

Finding the Fourth Proportional to 13,760,054.40, 20,640,081.60 and 8,717,059.20

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Solution

The fourth proportional to 13,760,054.40, 20,640,081.60 and 8,717,059.20 is: 13,075,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,054.40 : 20,640,081.60 = 8,717,059.20 : x
  2. Step 2: Convert to fraction form
    13,760,054.40/20,640,081.60 = 8,717,059.20/x
  3. Step 3: Cross multiply
    13,760,054.40x = 20,640,081.60 × 8,717,059.20
  4. Step 4: Simplify right side
    13,760,054.40x = 179,920,813,200,030.72
  5. Step 5: Solve for x
    x = 179,920,813,200,030.72/13,760,054.40
  6. Step 6: Final answer
    x = 13,075,588.80

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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.