Home / 12,764,010.60-19,146,015.90-9,180,829.80

Finding the Fourth Proportional to 12,764,010.60, 19,146,015.90 and 9,180,829.80

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Solution

The fourth proportional to 12,764,010.60, 19,146,015.90 and 9,180,829.80 is: 13,771,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,010.60 : 19,146,015.90 = 9,180,829.80 : x
  2. Step 2: Convert to fraction form
    12,764,010.60/19,146,015.90 = 9,180,829.80/x
  3. Step 3: Cross multiply
    12,764,010.60x = 19,146,015.90 × 9,180,829.80
  4. Step 4: Simplify right side
    12,764,010.60x = 175,776,313,325,993.81
  5. Step 5: Solve for x
    x = 175,776,313,325,993.81/12,764,010.60
  6. Step 6: Final answer
    x = 13,771,244.70

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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.