Home / 13,444,316.90-20,139,903.30-7,368,174.80

Finding the Fourth Proportional to 13,444,316.90, 20,139,903.30 and 7,368,174.80

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Solution

The fourth proportional to 13,444,316.90, 20,139,903.30 and 7,368,174.80 is: 11,037,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,316.90 : 20,139,903.30 = 7,368,174.80 : x
  2. Step 2: Convert to fraction form
    13,444,316.90/20,139,903.30 = 7,368,174.80/x
  3. Step 3: Cross multiply
    13,444,316.90x = 20,139,903.30 × 7,368,174.80
  4. Step 4: Simplify right side
    13,444,316.90x = 148,394,327,969,496.84
  5. Step 5: Solve for x
    x = 148,394,327,969,496.84/13,444,316.90
  6. Step 6: Final answer
    x = 11,037,699.35

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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.