Home / 13,206,421.80-19,798,112.70-5,124,911.40

Finding the Fourth Proportional to 13,206,421.80, 19,798,112.70 and 5,124,911.40

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Solution

The fourth proportional to 13,206,421.80, 19,798,112.70 and 5,124,911.40 is: 7,682,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,421.80 : 19,798,112.70 = 5,124,911.40 : x
  2. Step 2: Convert to fraction form
    13,206,421.80/19,798,112.70 = 5,124,911.40/x
  3. Step 3: Cross multiply
    13,206,421.80x = 19,798,112.70 × 5,124,911.40
  4. Step 4: Simplify right side
    13,206,421.80x = 101,463,573,474,714.78
  5. Step 5: Solve for x
    x = 101,463,573,474,714.78/13,206,421.80
  6. Step 6: Final answer
    x = 7,682,896.62

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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.