Home / 8,895,638.40-13,343,457.60-8,202,796.80

Finding the Fourth Proportional to 8,895,638.40, 13,343,457.60 and 8,202,796.80

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Solution

The fourth proportional to 8,895,638.40, 13,343,457.60 and 8,202,796.80 is: 12,304,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895,638.40 : 13,343,457.60 = 8,202,796.80 : x
  2. Step 2: Convert to fraction form
    8,895,638.40/13,343,457.60 = 8,202,796.80/x
  3. Step 3: Cross multiply
    8,895,638.40x = 13,343,457.60 × 8,202,796.80
  4. Step 4: Simplify right side
    8,895,638.40x = 109,453,671,302,215.67
  5. Step 5: Solve for x
    x = 109,453,671,302,215.67/8,895,638.40
  6. Step 6: Final answer
    x = 12,304,195.20

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Similar ratio
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1.5x scale

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.