Home / 7,776,136-10,731,378.72-4,338,677.44

Finding the Fourth Proportional to 7,776,136, 10,731,378.72 and 4,338,677.44

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Solution

The fourth proportional to 7,776,136, 10,731,378.72 and 4,338,677.44 is: 5,987,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,136 : 10,731,378.72 = 4,338,677.44 : x
  2. Step 2: Convert to fraction form
    7,776,136/10,731,378.72 = 4,338,677.44/x
  3. Step 3: Cross multiply
    7,776,136x = 10,731,378.72 × 4,338,677.44
  4. Step 4: Simplify right side
    7,776,136x = 46,559,990,752,560.09
  5. Step 5: Solve for x
    x = 46,559,990,752,560.09/7,776,136
  6. Step 6: Final answer
    x = 5,987,548.41

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1.5x scale

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.