Home / 13,815,677.80-19,065,654.66-7,620,586.12

Finding the Fourth Proportional to 13,815,677.80, 19,065,654.66 and 7,620,586.12

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Solution

The fourth proportional to 13,815,677.80, 19,065,654.66 and 7,620,586.12 is: 10,516,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,677.80 : 19,065,654.66 = 7,620,586.12 : x
  2. Step 2: Convert to fraction form
    13,815,677.80/19,065,654.66 = 7,620,586.12/x
  3. Step 3: Cross multiply
    13,815,677.80x = 19,065,654.66 × 7,620,586.12
  4. Step 4: Simplify right side
    13,815,677.80x = 145,291,463,270,709.31
  5. Step 5: Solve for x
    x = 145,291,463,270,709.31/13,815,677.80
  6. Step 6: Final answer
    x = 10,516,419.49

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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.