Home / 12,436,009.65-17,161,728.86-7,210,033.43

Finding the Fourth Proportional to 12,436,009.65, 17,161,728.86 and 7,210,033.43

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Solution

The fourth proportional to 12,436,009.65, 17,161,728.86 and 7,210,033.43 is: 9,949,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,009.65 : 17,161,728.86 = 7,210,033.43 : x
  2. Step 2: Convert to fraction form
    12,436,009.65/17,161,728.86 = 7,210,033.43/x
  3. Step 3: Cross multiply
    12,436,009.65x = 17,161,728.86 × 7,210,033.43
  4. Step 4: Simplify right side
    12,436,009.65x = 123,736,638,729,412.23
  5. Step 5: Solve for x
    x = 123,736,638,729,412.23/12,436,009.65
  6. Step 6: Final answer
    x = 9,949,866.73

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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.