Home / 13,608,050.40-20,412,075.60-8,233,279.20

Finding the Fourth Proportional to 13,608,050.40, 20,412,075.60 and 8,233,279.20

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Solution

The fourth proportional to 13,608,050.40, 20,412,075.60 and 8,233,279.20 is: 12,349,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,050.40 : 20,412,075.60 = 8,233,279.20 : x
  2. Step 2: Convert to fraction form
    13,608,050.40/20,412,075.60 = 8,233,279.20/x
  3. Step 3: Cross multiply
    13,608,050.40x = 20,412,075.60 × 8,233,279.20
  4. Step 4: Simplify right side
    13,608,050.40x = 168,058,317,466,307.53
  5. Step 5: Solve for x
    x = 168,058,317,466,307.53/13,608,050.40
  6. Step 6: Final answer
    x = 12,349,918.80

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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.