Home / 12,771,822.40-19,157,733.60-4,682,109.40

Finding the Fourth Proportional to 12,771,822.40, 19,157,733.60 and 4,682,109.40

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Solution

The fourth proportional to 12,771,822.40, 19,157,733.60 and 4,682,109.40 is: 7,023,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,822.40 : 19,157,733.60 = 4,682,109.40 : x
  2. Step 2: Convert to fraction form
    12,771,822.40/19,157,733.60 = 4,682,109.40/x
  3. Step 3: Cross multiply
    12,771,822.40x = 19,157,733.60 × 4,682,109.40
  4. Step 4: Simplify right side
    12,771,822.40x = 89,698,604,571,255.86
  5. Step 5: Solve for x
    x = 89,698,604,571,255.86/12,771,822.40
  6. Step 6: Final answer
    x = 7,023,164.10

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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.