Home / 8,813,423.80-13,220,135.70-4,768,348.60

Finding the Fourth Proportional to 8,813,423.80, 13,220,135.70 and 4,768,348.60

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Solution

The fourth proportional to 8,813,423.80, 13,220,135.70 and 4,768,348.60 is: 7,152,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813,423.80 : 13,220,135.70 = 4,768,348.60 : x
  2. Step 2: Convert to fraction form
    8,813,423.80/13,220,135.70 = 4,768,348.60/x
  3. Step 3: Cross multiply
    8,813,423.80x = 13,220,135.70 × 4,768,348.60
  4. Step 4: Simplify right side
    8,813,423.80x = 63,038,215,556,905.01
  5. Step 5: Solve for x
    x = 63,038,215,556,905.01/8,813,423.80
  6. Step 6: Final answer
    x = 7,152,522.90

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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.