Home / 31,153,109.40-42,991,288.44-17,402,073.36

Finding the Fourth Proportional to 31,153,109.40, 42,991,288.44 and 17,402,073.36

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Solution

The fourth proportional to 31,153,109.40, 42,991,288.44 and 17,402,073.36 is: 24,014,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153,109.40 : 42,991,288.44 = 17,402,073.36 : x
  2. Step 2: Convert to fraction form
    31,153,109.40/42,991,288.44 = 17,402,073.36/x
  3. Step 3: Cross multiply
    31,153,109.40x = 42,991,288.44 × 17,402,073.36
  4. Step 4: Simplify right side
    31,153,109.40x = 748,137,555,273,799.88
  5. Step 5: Solve for x
    x = 748,137,555,273,799.88/31,153,109.40
  6. Step 6: Final answer
    x = 24,014,859.82

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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.