Home / 19,681,868.19-27,160,989.66-10,980,040.83

Finding the Fourth Proportional to 19,681,868.19, 27,160,989.66 and 10,980,040.83

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Solution

The fourth proportional to 19,681,868.19, 27,160,989.66 and 10,980,040.83 is: 15,152,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,868.19 : 27,160,989.66 = 10,980,040.83 : x
  2. Step 2: Convert to fraction form
    19,681,868.19/27,160,989.66 = 10,980,040.83/x
  3. Step 3: Cross multiply
    19,681,868.19x = 27,160,989.66 × 10,980,040.83
  4. Step 4: Simplify right side
    19,681,868.19x = 298,228,775,450,007.81
  5. Step 5: Solve for x
    x = 298,228,775,450,007.81/19,681,868.19
  6. Step 6: Final answer
    x = 15,152,462.79

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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.