Home / 21,751,283.86-30,017,542.02-11,962,485.70

Finding the Fourth Proportional to 21,751,283.86, 30,017,542.02 and 11,962,485.70

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Solution

The fourth proportional to 21,751,283.86, 30,017,542.02 and 11,962,485.70 is: 16,508,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,283.86 : 30,017,542.02 = 11,962,485.70 : x
  2. Step 2: Convert to fraction form
    21,751,283.86/30,017,542.02 = 11,962,485.70/x
  3. Step 3: Cross multiply
    21,751,283.86x = 30,017,542.02 × 11,962,485.70
  4. Step 4: Simplify right side
    21,751,283.86x = 359,084,417,163,399.06
  5. Step 5: Solve for x
    x = 359,084,417,163,399.06/21,751,283.86
  6. Step 6: Final answer
    x = 16,508,653.90

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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.