Home / 30,743,929.80-42,427,525.41-16,806,055.14

Finding the Fourth Proportional to 30,743,929.80, 42,427,525.41 and 16,806,055.14

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Solution

The fourth proportional to 30,743,929.80, 42,427,525.41 and 16,806,055.14 is: 23,192,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743,929.80 : 42,427,525.41 = 16,806,055.14 : x
  2. Step 2: Convert to fraction form
    30,743,929.80/42,427,525.41 = 16,806,055.14/x
  3. Step 3: Cross multiply
    30,743,929.80x = 42,427,525.41 × 16,806,055.14
  4. Step 4: Simplify right side
    30,743,929.80x = 713,039,331,494,211.12
  5. Step 5: Solve for x
    x = 713,039,331,494,211.12/30,743,929.80
  6. Step 6: Final answer
    x = 23,192,849.32

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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.