Home / 18,453,057.60-27,679,586.40-10,768,814.40

Finding the Fourth Proportional to 18,453,057.60, 27,679,586.40 and 10,768,814.40

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Solution

The fourth proportional to 18,453,057.60, 27,679,586.40 and 10,768,814.40 is: 16,153,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,057.60 : 27,679,586.40 = 10,768,814.40 : x
  2. Step 2: Convert to fraction form
    18,453,057.60/27,679,586.40 = 10,768,814.40/x
  3. Step 3: Cross multiply
    18,453,057.60x = 27,679,586.40 × 10,768,814.40
  4. Step 4: Simplify right side
    18,453,057.60x = 298,076,328,610,364.12
  5. Step 5: Solve for x
    x = 298,076,328,610,364.12/18,453,057.60
  6. Step 6: Final answer
    x = 16,153,221.60

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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.