Home / 7,704,088.80-11,557,515.60-3,216,818.40

Finding the Fourth Proportional to 7,704,088.80, 11,557,515.60 and 3,216,818.40

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Solution

The fourth proportional to 7,704,088.80, 11,557,515.60 and 3,216,818.40 is: 4,825,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704,088.80 : 11,557,515.60 = 3,216,818.40 : x
  2. Step 2: Convert to fraction form
    7,704,088.80/11,557,515.60 = 3,216,818.40/x
  3. Step 3: Cross multiply
    7,704,088.80x = 11,557,515.60 × 3,216,818.40
  4. Step 4: Simplify right side
    7,704,088.80x = 37,178,428,840,367.04
  5. Step 5: Solve for x
    x = 37,178,428,840,367.04/7,704,088.80
  6. Step 6: Final answer
    x = 4,825,804.82

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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.