Home / 31,136,771.07-42,968,487.51-17,007,969.22

Finding the Fourth Proportional to 31,136,771.07, 42,968,487.51 and 17,007,969.22

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Solution

The fourth proportional to 31,136,771.07, 42,968,487.51 and 17,007,969.22 is: 23,470,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,771.07 : 42,968,487.51 = 17,007,969.22 : x
  2. Step 2: Convert to fraction form
    31,136,771.07/42,968,487.51 = 17,007,969.22/x
  3. Step 3: Cross multiply
    31,136,771.07x = 42,968,487.51 × 17,007,969.22
  4. Step 4: Simplify right side
    31,136,771.07x = 730,806,712,892,613.25
  5. Step 5: Solve for x
    x = 730,806,712,892,613.25/31,136,771.07
  6. Step 6: Final answer
    x = 23,470,857.37

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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.