Home / 21,743,270.76-30,004,948.80-11,953,643.96

Finding the Fourth Proportional to 21,743,270.76, 30,004,948.80 and 11,953,643.96

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Solution

The fourth proportional to 21,743,270.76, 30,004,948.80 and 11,953,643.96 is: 16,495,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,270.76 : 30,004,948.80 = 11,953,643.96 : x
  2. Step 2: Convert to fraction form
    21,743,270.76/30,004,948.80 = 11,953,643.96/x
  3. Step 3: Cross multiply
    21,743,270.76x = 30,004,948.80 × 11,953,643.96
  4. Step 4: Simplify right side
    21,743,270.76x = 358,668,474,993,229.31
  5. Step 5: Solve for x
    x = 358,668,474,993,229.31/21,743,270.76
  6. Step 6: Final answer
    x = 16,495,608.18

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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.