Home / 30,879,246.84-42,618,471.48-17,132,639.64

Finding the Fourth Proportional to 30,879,246.84, 42,618,471.48 and 17,132,639.64

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Solution

The fourth proportional to 30,879,246.84, 42,618,471.48 and 17,132,639.64 is: 23,645,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879,246.84 : 42,618,471.48 = 17,132,639.64 : x
  2. Step 2: Convert to fraction form
    30,879,246.84/42,618,471.48 = 17,132,639.64/x
  3. Step 3: Cross multiply
    30,879,246.84x = 42,618,471.48 × 17,132,639.64
  4. Step 4: Simplify right side
    30,879,246.84x = 730,166,913,874,457.38
  5. Step 5: Solve for x
    x = 730,166,913,874,457.38/30,879,246.84
  6. Step 6: Final answer
    x = 23,645,878.34

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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.