Home / 43,411,777.60-65,126,997.60-13,122,702.40

Finding the Fourth Proportional to 43,411,777.60, 65,126,997.60 and 13,122,702.40

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Solution

The fourth proportional to 43,411,777.60, 65,126,997.60 and 13,122,702.40 is: 19,686,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411,777.60 : 65,126,997.60 = 13,122,702.40 : x
  2. Step 2: Convert to fraction form
    43,411,777.60/65,126,997.60 = 13,122,702.40/x
  3. Step 3: Cross multiply
    43,411,777.60x = 65,126,997.60 × 13,122,702.40
  4. Step 4: Simplify right side
    43,411,777.60x = 854,642,207,710,314.25
  5. Step 5: Solve for x
    x = 854,642,207,710,314.25/43,411,777.60
  6. Step 6: Final answer
    x = 19,686,874.28

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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.