Home / 38,686,038.08-53,387,172.72-22,165,831.28

Finding the Fourth Proportional to 38,686,038.08, 53,387,172.72 and 22,165,831.28

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Solution

The fourth proportional to 38,686,038.08, 53,387,172.72 and 22,165,831.28 is: 30,589,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686,038.08 : 53,387,172.72 = 22,165,831.28 : x
  2. Step 2: Convert to fraction form
    38,686,038.08/53,387,172.72 = 22,165,831.28/x
  3. Step 3: Cross multiply
    38,686,038.08x = 53,387,172.72 × 22,165,831.28
  4. Step 4: Simplify right side
    38,686,038.08x = 1,183,371,063,027,738.75
  5. Step 5: Solve for x
    x = 1,183,371,063,027,738.75/38,686,038.08
  6. Step 6: Final answer
    x = 30,589,099.37

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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.