Home / 31,666,969.86-43,700,235.93-17,179,970.82

Finding the Fourth Proportional to 31,666,969.86, 43,700,235.93 and 17,179,970.82

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Solution

The fourth proportional to 31,666,969.86, 43,700,235.93 and 17,179,970.82 is: 23,708,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,666,969.86 : 43,700,235.93 = 17,179,970.82 : x
  2. Step 2: Convert to fraction form
    31,666,969.86/43,700,235.93 = 17,179,970.82/x
  3. Step 3: Cross multiply
    31,666,969.86x = 43,700,235.93 × 17,179,970.82
  4. Step 4: Simplify right side
    31,666,969.86x = 750,768,778,104,515.62
  5. Step 5: Solve for x
    x = 750,768,778,104,515.62/31,666,969.86
  6. Step 6: Final answer
    x = 23,708,260.73

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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.