Home / 12,616,018.60-18,924,027.90-9,784,863.40

Finding the Fourth Proportional to 12,616,018.60, 18,924,027.90 and 9,784,863.40

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Solution

The fourth proportional to 12,616,018.60, 18,924,027.90 and 9,784,863.40 is: 14,677,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,018.60 : 18,924,027.90 = 9,784,863.40 : x
  2. Step 2: Convert to fraction form
    12,616,018.60/18,924,027.90 = 9,784,863.40/x
  3. Step 3: Cross multiply
    12,616,018.60x = 18,924,027.90 × 9,784,863.40
  4. Step 4: Simplify right side
    12,616,018.60x = 185,169,027,979,288.84
  5. Step 5: Solve for x
    x = 185,169,027,979,288.84/12,616,018.60
  6. Step 6: Final answer
    x = 14,677,295.10

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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.