Home / 31,726,385.51-43,782,304.68-17,977,970.39

Finding the Fourth Proportional to 31,726,385.51, 43,782,304.68 and 17,977,970.39

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Solution

The fourth proportional to 31,726,385.51, 43,782,304.68 and 17,977,970.39 is: 24,809,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726,385.51 : 43,782,304.68 = 17,977,970.39 : x
  2. Step 2: Convert to fraction form
    31,726,385.51/43,782,304.68 = 17,977,970.39/x
  3. Step 3: Cross multiply
    31,726,385.51x = 43,782,304.68 × 17,977,970.39
  4. Step 4: Simplify right side
    31,726,385.51x = 787,116,977,142,998.50
  5. Step 5: Solve for x
    x = 787,116,977,142,998.50/31,726,385.51
  6. Step 6: Final answer
    x = 24,809,538.32

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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.