Home / 31,683,908.22-43,759,457.19-21,413,056.38

Finding the Fourth Proportional to 31,683,908.22, 43,759,457.19 and 21,413,056.38

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Solution

The fourth proportional to 31,683,908.22, 43,759,457.19 and 21,413,056.38 is: 29,574,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683,908.22 : 43,759,457.19 = 21,413,056.38 : x
  2. Step 2: Convert to fraction form
    31,683,908.22/43,759,457.19 = 21,413,056.38/x
  3. Step 3: Cross multiply
    31,683,908.22x = 43,759,457.19 × 21,413,056.38
  4. Step 4: Simplify right side
    31,683,908.22x = 937,023,723,967,666.25
  5. Step 5: Solve for x
    x = 937,023,723,967,666.25/31,683,908.22
  6. Step 6: Final answer
    x = 29,574,120.64

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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.