Home / 17,860,533.40-26,790,800.10-12,457,768.60

Finding the Fourth Proportional to 17,860,533.40, 26,790,800.10 and 12,457,768.60

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Solution

The fourth proportional to 17,860,533.40, 26,790,800.10 and 12,457,768.60 is: 18,686,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860,533.40 : 26,790,800.10 = 12,457,768.60 : x
  2. Step 2: Convert to fraction form
    17,860,533.40/26,790,800.10 = 12,457,768.60/x
  3. Step 3: Cross multiply
    17,860,533.40x = 26,790,800.10 × 12,457,768.60
  4. Step 4: Simplify right side
    17,860,533.40x = 333,753,588,254,656.88
  5. Step 5: Solve for x
    x = 333,753,588,254,656.88/17,860,533.40
  6. Step 6: Final answer
    x = 18,686,652.90

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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.