Home / 21,019,559.84-31,526,627.88-6,644,080.79

Finding the Fourth Proportional to 21,019,559.84, 31,526,627.88 and 6,644,080.79

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Solution

The fourth proportional to 21,019,559.84, 31,526,627.88 and 6,644,080.79 is: 9,965,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,559.84 : 31,526,627.88 = 6,644,080.79 : x
  2. Step 2: Convert to fraction form
    21,019,559.84/31,526,627.88 = 6,644,080.79/x
  3. Step 3: Cross multiply
    21,019,559.84x = 31,526,627.88 × 6,644,080.79
  4. Step 4: Simplify right side
    21,019,559.84x = 209,465,462,619,120.50
  5. Step 5: Solve for x
    x = 209,465,462,619,120.50/21,019,559.84
  6. Step 6: Final answer
    x = 9,965,263.98

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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.