Home / 12,000,654.64-16,560,947-6,494,028.91

Finding the Fourth Proportional to 12,000,654.64, 16,560,947 and 6,494,028.91

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Solution

The fourth proportional to 12,000,654.64, 16,560,947 and 6,494,028.91 is: 8,961,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,654.64 : 16,560,947 = 6,494,028.91 : x
  2. Step 2: Convert to fraction form
    12,000,654.64/16,560,947 = 6,494,028.91/x
  3. Step 3: Cross multiply
    12,000,654.64x = 16,560,947 × 6,494,028.91
  4. Step 4: Simplify right side
    12,000,654.64x = 107,547,268,594,977.77
  5. Step 5: Solve for x
    x = 107,547,268,594,977.77/12,000,654.64
  6. Step 6: Final answer
    x = 8,961,783.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.