Home / 12,373,220.60-18,559,830.90-11,071,518.20

Finding the Fourth Proportional to 12,373,220.60, 18,559,830.90 and 11,071,518.20

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Solution

The fourth proportional to 12,373,220.60, 18,559,830.90 and 11,071,518.20 is: 16,607,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,220.60 : 18,559,830.90 = 11,071,518.20 : x
  2. Step 2: Convert to fraction form
    12,373,220.60/18,559,830.90 = 11,071,518.20/x
  3. Step 3: Cross multiply
    12,373,220.60x = 18,559,830.90 × 11,071,518.20
  4. Step 4: Simplify right side
    12,373,220.60x = 205,485,505,598,272.34
  5. Step 5: Solve for x
    x = 205,485,505,598,272.34/12,373,220.60
  6. Step 6: Final answer
    x = 16,607,277.30

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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.