Home / 12,960,107.60-19,435,495.80-6,568,235.60

Finding the Fourth Proportional to 12,960,107.60, 19,435,495.80 and 6,568,235.60

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Solution

The fourth proportional to 12,960,107.60, 19,435,495.80 and 6,568,235.60 is: 9,849,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,107.60 : 19,435,495.80 = 6,568,235.60 : x
  2. Step 2: Convert to fraction form
    12,960,107.60/19,435,495.80 = 6,568,235.60/x
  3. Step 3: Cross multiply
    12,960,107.60x = 19,435,495.80 × 6,568,235.60
  4. Step 4: Simplify right side
    12,960,107.60x = 127,656,915,417,210.48
  5. Step 5: Solve for x
    x = 127,656,915,417,210.48/12,960,107.60
  6. Step 6: Final answer
    x = 9,849,988.85

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1.5x scale

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.