Home / 13,187,859.40-19,784,121.90-4,673,139.40

Finding the Fourth Proportional to 13,187,859.40, 19,784,121.90 and 4,673,139.40

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Solution

The fourth proportional to 13,187,859.40, 19,784,121.90 and 4,673,139.40 is: 7,010,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,859.40 : 19,784,121.90 = 4,673,139.40 : x
  2. Step 2: Convert to fraction form
    13,187,859.40/19,784,121.90 = 4,673,139.40/x
  3. Step 3: Cross multiply
    13,187,859.40x = 19,784,121.90 × 4,673,139.40
  4. Step 4: Simplify right side
    13,187,859.40x = 92,453,959,545,292.86
  5. Step 5: Solve for x
    x = 92,453,959,545,292.86/13,187,859.40
  6. Step 6: Final answer
    x = 7,010,535.73

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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.