Home / 16,929,015.10-25,393,522.65-12,618,000.70

Finding the Fourth Proportional to 16,929,015.10, 25,393,522.65 and 12,618,000.70

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Solution

The fourth proportional to 16,929,015.10, 25,393,522.65 and 12,618,000.70 is: 18,927,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929,015.10 : 25,393,522.65 = 12,618,000.70 : x
  2. Step 2: Convert to fraction form
    16,929,015.10/25,393,522.65 = 12,618,000.70/x
  3. Step 3: Cross multiply
    16,929,015.10x = 25,393,522.65 × 12,618,000.70
  4. Step 4: Simplify right side
    16,929,015.10x = 320,415,486,573,165.81
  5. Step 5: Solve for x
    x = 320,415,486,573,165.81/16,929,015.10
  6. Step 6: Final answer
    x = 18,927,001.05

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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.