Home / 8,239,220.40-12,358,830.60-2,559,399.60

Finding the Fourth Proportional to 8,239,220.40, 12,358,830.60 and 2,559,399.60

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Solution

The fourth proportional to 8,239,220.40, 12,358,830.60 and 2,559,399.60 is: 3,839,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,220.40 : 12,358,830.60 = 2,559,399.60 : x
  2. Step 2: Convert to fraction form
    8,239,220.40/12,358,830.60 = 2,559,399.60/x
  3. Step 3: Cross multiply
    8,239,220.40x = 12,358,830.60 × 2,559,399.60
  4. Step 4: Simplify right side
    8,239,220.40x = 31,631,186,094,107.76
  5. Step 5: Solve for x
    x = 31,631,186,094,107.76/8,239,220.40
  6. Step 6: Final answer
    x = 3,839,099.40

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Double scale
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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.