Home / 8,426,319.57-11,640,225.29-6,705,238.05

Finding the Fourth Proportional to 8,426,319.57, 11,640,225.29 and 6,705,238.05

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Solution

The fourth proportional to 8,426,319.57, 11,640,225.29 and 6,705,238.05 is: 9,262,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,319.57 : 11,640,225.29 = 6,705,238.05 : x
  2. Step 2: Convert to fraction form
    8,426,319.57/11,640,225.29 = 6,705,238.05/x
  3. Step 3: Cross multiply
    8,426,319.57x = 11,640,225.29 × 6,705,238.05
  4. Step 4: Simplify right side
    8,426,319.57x = 78,050,481,491,554.09
  5. Step 5: Solve for x
    x = 78,050,481,491,554.09/8,426,319.57
  6. Step 6: Final answer
    x = 9,262,701.33

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1.5x scale

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.