Home / 9,176,986.80-13,765,042.80-3,111,123.60

Finding the Fourth Proportional to 9,176,986.80, 13,765,042.80 and 3,111,123.60

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Solution

The fourth proportional to 9,176,986.80, 13,765,042.80 and 3,111,123.60 is: 4,666,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,986.80 : 13,765,042.80 = 3,111,123.60 : x
  2. Step 2: Convert to fraction form
    9,176,986.80/13,765,042.80 = 3,111,123.60/x
  3. Step 3: Cross multiply
    9,176,986.80x = 13,765,042.80 × 3,111,123.60
  4. Step 4: Simplify right side
    9,176,986.80x = 42,824,749,510,090.09
  5. Step 5: Solve for x
    x = 42,824,749,510,090.09/9,176,986.80
  6. Step 6: Final answer
    x = 4,666,537.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.