Home / 14,095,807.60-21,143,711.40-8,427,103.60

Finding the Fourth Proportional to 14,095,807.60, 21,143,711.40 and 8,427,103.60

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Solution

The fourth proportional to 14,095,807.60, 21,143,711.40 and 8,427,103.60 is: 12,640,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,807.60 : 21,143,711.40 = 8,427,103.60 : x
  2. Step 2: Convert to fraction form
    14,095,807.60/21,143,711.40 = 8,427,103.60/x
  3. Step 3: Cross multiply
    14,095,807.60x = 21,143,711.40 × 8,427,103.60
  4. Step 4: Simplify right side
    14,095,807.60x = 178,180,246,456,301.03
  5. Step 5: Solve for x
    x = 178,180,246,456,301.03/14,095,807.60
  6. Step 6: Final answer
    x = 12,640,655.40

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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.