Home / 13,881,520.03-19,193,065.38-12,157,699.30

Finding the Fourth Proportional to 13,881,520.03, 19,193,065.38 and 12,157,699.30

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Solution

The fourth proportional to 13,881,520.03, 19,193,065.38 and 12,157,699.30 is: 16,809,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,520.03 : 19,193,065.38 = 12,157,699.30 : x
  2. Step 2: Convert to fraction form
    13,881,520.03/19,193,065.38 = 12,157,699.30/x
  3. Step 3: Cross multiply
    13,881,520.03x = 19,193,065.38 × 12,157,699.30
  4. Step 4: Simplify right side
    13,881,520.03x = 233,343,517,535,280.25
  5. Step 5: Solve for x
    x = 233,343,517,535,280.25/13,881,520.03
  6. Step 6: Final answer
    x = 16,809,651.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.