Home / 7,721,643.06-10,647,087.80-4,927,006.98

Finding the Fourth Proportional to 7,721,643.06, 10,647,087.80 and 4,927,006.98

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Solution

The fourth proportional to 7,721,643.06, 10,647,087.80 and 4,927,006.98 is: 6,793,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,643.06 : 10,647,087.80 = 4,927,006.98 : x
  2. Step 2: Convert to fraction form
    7,721,643.06/10,647,087.80 = 4,927,006.98/x
  3. Step 3: Cross multiply
    7,721,643.06x = 10,647,087.80 × 4,927,006.98
  4. Step 4: Simplify right side
    7,721,643.06x = 52,458,275,882,637.81
  5. Step 5: Solve for x
    x = 52,458,275,882,637.81/7,721,643.06
  6. Step 6: Final answer
    x = 6,793,667.55

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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.