Home / 9,790,020.64-13,509,436.50-5,660,316.76

Finding the Fourth Proportional to 9,790,020.64, 13,509,436.50 and 5,660,316.76

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Solution

The fourth proportional to 9,790,020.64, 13,509,436.50 and 5,660,316.76 is: 7,810,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,020.64 : 13,509,436.50 = 5,660,316.76 : x
  2. Step 2: Convert to fraction form
    9,790,020.64/13,509,436.50 = 5,660,316.76/x
  3. Step 3: Cross multiply
    9,790,020.64x = 13,509,436.50 × 5,660,316.76
  4. Step 4: Simplify right side
    9,790,020.64x = 76,467,689,839,105.73
  5. Step 5: Solve for x
    x = 76,467,689,839,105.73/9,790,020.64
  6. Step 6: Final answer
    x = 7,810,779.23

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1.5x scale

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.