Home / 13,899,708.07-20,831,403.93-7,751,444.38

Finding the Fourth Proportional to 13,899,708.07, 20,831,403.93 and 7,751,444.38

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Solution

The fourth proportional to 13,899,708.07, 20,831,403.93 and 7,751,444.38 is: 11,617,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,708.07 : 20,831,403.93 = 7,751,444.38 : x
  2. Step 2: Convert to fraction form
    13,899,708.07/20,831,403.93 = 7,751,444.38/x
  3. Step 3: Cross multiply
    13,899,708.07x = 20,831,403.93 × 7,751,444.38
  4. Step 4: Simplify right side
    13,899,708.07x = 161,473,468,920,708.41
  5. Step 5: Solve for x
    x = 161,473,468,920,708.41/13,899,708.07
  6. Step 6: Final answer
    x = 11,617,040.31

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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.