Home / 18,297,038.32-27,410,915.28-12,213,426.40

Finding the Fourth Proportional to 18,297,038.32, 27,410,915.28 and 12,213,426.40

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Solution

The fourth proportional to 18,297,038.32, 27,410,915.28 and 12,213,426.40 is: 18,297,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297,038.32 : 27,410,915.28 = 12,213,426.40 : x
  2. Step 2: Convert to fraction form
    18,297,038.32/27,410,915.28 = 12,213,426.40/x
  3. Step 3: Cross multiply
    18,297,038.32x = 27,410,915.28 × 12,213,426.40
  4. Step 4: Simplify right side
    18,297,038.32x = 334,781,196,328,915.44
  5. Step 5: Solve for x
    x = 334,781,196,328,915.44/18,297,038.32
  6. Step 6: Final answer
    x = 18,297,015.64

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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.