Home / 13,307,591.60-19,961,387.40-9,670,173.20

Finding the Fourth Proportional to 13,307,591.60, 19,961,387.40 and 9,670,173.20

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Solution

The fourth proportional to 13,307,591.60, 19,961,387.40 and 9,670,173.20 is: 14,505,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,591.60 : 19,961,387.40 = 9,670,173.20 : x
  2. Step 2: Convert to fraction form
    13,307,591.60/19,961,387.40 = 9,670,173.20/x
  3. Step 3: Cross multiply
    13,307,591.60x = 19,961,387.40 × 9,670,173.20
  4. Step 4: Simplify right side
    13,307,591.60x = 193,030,073,470,297.66
  5. Step 5: Solve for x
    x = 193,030,073,470,297.66/13,307,591.60
  6. Step 6: Final answer
    x = 14,505,259.80

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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.