Home / 8,763,619.60-13,145,429.40-8,427,696.40

Finding the Fourth Proportional to 8,763,619.60, 13,145,429.40 and 8,427,696.40

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Solution

The fourth proportional to 8,763,619.60, 13,145,429.40 and 8,427,696.40 is: 12,641,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763,619.60 : 13,145,429.40 = 8,427,696.40 : x
  2. Step 2: Convert to fraction form
    8,763,619.60/13,145,429.40 = 8,427,696.40/x
  3. Step 3: Cross multiply
    8,763,619.60x = 13,145,429.40 × 8,427,696.40
  4. Step 4: Simplify right side
    8,763,619.60x = 110,785,688,030,834.17
  5. Step 5: Solve for x
    x = 110,785,688,030,834.17/8,763,619.60
  6. Step 6: Final answer
    x = 12,641,544.60

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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.