Home / 30,348,610.20-45,522,915.30-8,783,915.40

Finding the Fourth Proportional to 30,348,610.20, 45,522,915.30 and 8,783,915.40

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Solution

The fourth proportional to 30,348,610.20, 45,522,915.30 and 8,783,915.40 is: 13,175,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,610.20 : 45,522,915.30 = 8,783,915.40 : x
  2. Step 2: Convert to fraction form
    30,348,610.20/45,522,915.30 = 8,783,915.40/x
  3. Step 3: Cross multiply
    30,348,610.20x = 45,522,915.30 × 8,783,915.40
  4. Step 4: Simplify right side
    30,348,610.20x = 399,869,436,756,565.62
  5. Step 5: Solve for x
    x = 399,869,436,756,565.62/30,348,610.20
  6. Step 6: Final answer
    x = 13,175,873.10

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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.