Home / 55,258,424.47-82,869,700.67-18,360,405.37

Finding the Fourth Proportional to 55,258,424.47, 82,869,700.67 and 18,360,405.37

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Solution

The fourth proportional to 55,258,424.47, 82,869,700.67 and 18,360,405.37 is: 27,534,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258,424.47 : 82,869,700.67 = 18,360,405.37 : x
  2. Step 2: Convert to fraction form
    55,258,424.47/82,869,700.67 = 18,360,405.37/x
  3. Step 3: Cross multiply
    55,258,424.47x = 82,869,700.67 × 18,360,405.37
  4. Step 4: Simplify right side
    55,258,424.47x = 1,521,521,297,237,661.75
  5. Step 5: Solve for x
    x = 1,521,521,297,237,661.75/55,258,424.47
  6. Step 6: Final answer
    x = 27,534,648.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.