Home / 9,790,021.64-13,509,437.88-5,660,317.76

Finding the Fourth Proportional to 9,790,021.64, 13,509,437.88 and 5,660,317.76

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Solution

The fourth proportional to 9,790,021.64, 13,509,437.88 and 5,660,317.76 is: 7,810,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,021.64 : 13,509,437.88 = 5,660,317.76 : x
  2. Step 2: Convert to fraction form
    9,790,021.64/13,509,437.88 = 5,660,317.76/x
  3. Step 3: Cross multiply
    9,790,021.64x = 13,509,437.88 × 5,660,317.76
  4. Step 4: Simplify right side
    9,790,021.64x = 76,467,711,159,780.75
  5. Step 5: Solve for x
    x = 76,467,711,159,780.75/9,790,021.64
  6. Step 6: Final answer
    x = 7,810,780.61

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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.