Home / 8,868,612.60-13,302,918.90-3,189,022.20

Finding the Fourth Proportional to 8,868,612.60, 13,302,918.90 and 3,189,022.20

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Solution

The fourth proportional to 8,868,612.60, 13,302,918.90 and 3,189,022.20 is: 4,783,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,612.60 : 13,302,918.90 = 3,189,022.20 : x
  2. Step 2: Convert to fraction form
    8,868,612.60/13,302,918.90 = 3,189,022.20/x
  3. Step 3: Cross multiply
    8,868,612.60x = 13,302,918.90 × 3,189,022.20
  4. Step 4: Simplify right side
    8,868,612.60x = 42,423,303,696,899.59
  5. Step 5: Solve for x
    x = 42,423,303,696,899.59/8,868,612.60
  6. Step 6: Final answer
    x = 4,783,533.30

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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.