Home / 13,936,831.52-19,232,292.72-7,742,268.22

Finding the Fourth Proportional to 13,936,831.52, 19,232,292.72 and 7,742,268.22

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Solution

The fourth proportional to 13,936,831.52, 19,232,292.72 and 7,742,268.22 is: 10,684,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936,831.52 : 19,232,292.72 = 7,742,268.22 : x
  2. Step 2: Convert to fraction form
    13,936,831.52/19,232,292.72 = 7,742,268.22/x
  3. Step 3: Cross multiply
    13,936,831.52x = 19,232,292.72 × 7,742,268.22
  4. Step 4: Simplify right side
    13,936,831.52x = 148,901,568,723,793.34
  5. Step 5: Solve for x
    x = 148,901,568,723,793.34/13,936,831.52
  6. Step 6: Final answer
    x = 10,684,033.06

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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.