Home / 7,209,861.60-10,814,792.40-6,662,431.20

Finding the Fourth Proportional to 7,209,861.60, 10,814,792.40 and 6,662,431.20

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Solution

The fourth proportional to 7,209,861.60, 10,814,792.40 and 6,662,431.20 is: 9,993,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,861.60 : 10,814,792.40 = 6,662,431.20 : x
  2. Step 2: Convert to fraction form
    7,209,861.60/10,814,792.40 = 6,662,431.20/x
  3. Step 3: Cross multiply
    7,209,861.60x = 10,814,792.40 × 6,662,431.20
  4. Step 4: Simplify right side
    7,209,861.60x = 72,052,810,307,282.89
  5. Step 5: Solve for x
    x = 72,052,810,307,282.89/7,209,861.60
  6. Step 6: Final answer
    x = 9,993,646.80

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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.