Home / 12,773,076.60-19,159,614.90-12,143,220.60

Finding the Fourth Proportional to 12,773,076.60, 19,159,614.90 and 12,143,220.60

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Solution

The fourth proportional to 12,773,076.60, 19,159,614.90 and 12,143,220.60 is: 18,214,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,076.60 : 19,159,614.90 = 12,143,220.60 : x
  2. Step 2: Convert to fraction form
    12,773,076.60/19,159,614.90 = 12,143,220.60/x
  3. Step 3: Cross multiply
    12,773,076.60x = 19,159,614.90 × 12,143,220.60
  4. Step 4: Simplify right side
    12,773,076.60x = 232,659,430,341,746.91
  5. Step 5: Solve for x
    x = 232,659,430,341,746.91/12,773,076.60
  6. Step 6: Final answer
    x = 18,214,830.90

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Similar ratio
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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.