Home / 20,663,759.51-30,994,384.47-7,707,412.61

Finding the Fourth Proportional to 20,663,759.51, 30,994,384.47 and 7,707,412.61

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Solution

The fourth proportional to 20,663,759.51, 30,994,384.47 and 7,707,412.61 is: 11,560,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,759.51 : 30,994,384.47 = 7,707,412.61 : x
  2. Step 2: Convert to fraction form
    20,663,759.51/30,994,384.47 = 7,707,412.61/x
  3. Step 3: Cross multiply
    20,663,759.51x = 30,994,384.47 × 7,707,412.61
  4. Step 4: Simplify right side
    20,663,759.51x = 238,886,509,548,294.25
  5. Step 5: Solve for x
    x = 238,886,509,548,294.25/20,663,759.51
  6. Step 6: Final answer
    x = 11,560,650.88

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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.