Home / 12,436,009.90-17,161,729.21-7,210,033.68

Finding the Fourth Proportional to 12,436,009.90, 17,161,729.21 and 7,210,033.68

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Solution

The fourth proportional to 12,436,009.90, 17,161,729.21 and 7,210,033.68 is: 9,949,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,009.90 : 17,161,729.21 = 7,210,033.68 : x
  2. Step 2: Convert to fraction form
    12,436,009.90/17,161,729.21 = 7,210,033.68/x
  3. Step 3: Cross multiply
    12,436,009.90x = 17,161,729.21 × 7,210,033.68
  4. Step 4: Simplify right side
    12,436,009.90x = 123,736,645,507,306.06
  5. Step 5: Solve for x
    x = 123,736,645,507,306.06/12,436,009.90
  6. Step 6: Final answer
    x = 9,949,867.08

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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.