Home / 31,385,186.67-43,312,079.47-17,256,969.84

Finding the Fourth Proportional to 31,385,186.67, 43,312,079.47 and 17,256,969.84

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Solution

The fourth proportional to 31,385,186.67, 43,312,079.47 and 17,256,969.84 is: 23,814,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,186.67 : 43,312,079.47 = 17,256,969.84 : x
  2. Step 2: Convert to fraction form
    31,385,186.67/43,312,079.47 = 17,256,969.84/x
  3. Step 3: Cross multiply
    31,385,186.67x = 43,312,079.47 × 17,256,969.84
  4. Step 4: Simplify right side
    31,385,186.67x = 747,435,249,121,473.12
  5. Step 5: Solve for x
    x = 747,435,249,121,473.12/31,385,186.67
  6. Step 6: Final answer
    x = 23,814,905.32

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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.