Home / 7,187,434.07-9,919,528.79-4,090,710.38

Finding the Fourth Proportional to 7,187,434.07, 9,919,528.79 and 4,090,710.38

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Solution

The fourth proportional to 7,187,434.07, 9,919,528.79 and 4,090,710.38 is: 5,645,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,434.07 : 9,919,528.79 = 4,090,710.38 : x
  2. Step 2: Convert to fraction form
    7,187,434.07/9,919,528.79 = 4,090,710.38/x
  3. Step 3: Cross multiply
    7,187,434.07x = 9,919,528.79 × 4,090,710.38
  4. Step 4: Simplify right side
    7,187,434.07x = 40,577,919,315,910.65
  5. Step 5: Solve for x
    x = 40,577,919,315,910.65/7,187,434.07
  6. Step 6: Final answer
    x = 5,645,675.35

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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.