Home / 30,746,943.87-42,430,868.07-16,808,467.41

Finding the Fourth Proportional to 30,746,943.87, 42,430,868.07 and 16,808,467.41

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Solution

The fourth proportional to 30,746,943.87, 42,430,868.07 and 16,808,467.41 is: 23,195,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746,943.87 : 42,430,868.07 = 16,808,467.41 : x
  2. Step 2: Convert to fraction form
    30,746,943.87/42,430,868.07 = 16,808,467.41/x
  3. Step 3: Cross multiply
    30,746,943.87x = 42,430,868.07 × 16,808,467.41
  4. Step 4: Simplify right side
    30,746,943.87x = 713,197,863,132,604.62
  5. Step 5: Solve for x
    x = 713,197,863,132,604.62/30,746,943.87
  6. Step 6: Final answer
    x = 23,195,731.78

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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.