Home / 30,639,465.42-42,282,462.33-16,888,724.79

Finding the Fourth Proportional to 30,639,465.42, 42,282,462.33 and 16,888,724.79

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Solution

The fourth proportional to 30,639,465.42, 42,282,462.33 and 16,888,724.79 is: 23,306,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,465.42 : 42,282,462.33 = 16,888,724.79 : x
  2. Step 2: Convert to fraction form
    30,639,465.42/42,282,462.33 = 16,888,724.79/x
  3. Step 3: Cross multiply
    30,639,465.42x = 42,282,462.33 × 16,888,724.79
  4. Step 4: Simplify right side
    30,639,465.42x = 714,096,869,734,912.12
  5. Step 5: Solve for x
    x = 714,096,869,734,912.12/30,639,465.42
  6. Step 6: Final answer
    x = 23,306,440.24

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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.