Home / 9,790,019.64-13,509,435.12-5,660,315.76

Finding the Fourth Proportional to 9,790,019.64, 13,509,435.12 and 5,660,315.76

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Solution

The fourth proportional to 9,790,019.64, 13,509,435.12 and 5,660,315.76 is: 7,810,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,019.64 : 13,509,435.12 = 5,660,315.76 : x
  2. Step 2: Convert to fraction form
    9,790,019.64/13,509,435.12 = 5,660,315.76/x
  3. Step 3: Cross multiply
    9,790,019.64x = 13,509,435.12 × 5,660,315.76
  4. Step 4: Simplify right side
    9,790,019.64x = 76,467,668,518,433.48
  5. Step 5: Solve for x
    x = 76,467,668,518,433.48/9,790,019.64
  6. Step 6: Final answer
    x = 7,810,777.85

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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.