Home / 38,668,962.66-53,362,104.33-21,265,307.88

Finding the Fourth Proportional to 38,668,962.66, 53,362,104.33 and 21,265,307.88

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Solution

The fourth proportional to 38,668,962.66, 53,362,104.33 and 21,265,307.88 is: 29,345,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,962.66 : 53,362,104.33 = 21,265,307.88 : x
  2. Step 2: Convert to fraction form
    38,668,962.66/53,362,104.33 = 21,265,307.88/x
  3. Step 3: Cross multiply
    38,668,962.66x = 53,362,104.33 × 21,265,307.88
  4. Step 4: Simplify right side
    38,668,962.66x = 1,134,761,577,702,131
  5. Step 5: Solve for x
    x = 1,134,761,577,702,131/38,668,962.66
  6. Step 6: Final answer
    x = 29,345,539.67

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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.