Home / 30,578,586.62-42,197,903.78-16,639,466.31

Finding the Fourth Proportional to 30,578,586.62, 42,197,903.78 and 16,639,466.31

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Solution

The fourth proportional to 30,578,586.62, 42,197,903.78 and 16,639,466.31 is: 22,962,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,586.62 : 42,197,903.78 = 16,639,466.31 : x
  2. Step 2: Convert to fraction form
    30,578,586.62/42,197,903.78 = 16,639,466.31/x
  3. Step 3: Cross multiply
    30,578,586.62x = 42,197,903.78 × 16,639,466.31
  4. Step 4: Simplify right side
    30,578,586.62x = 702,150,598,216,734.38
  5. Step 5: Solve for x
    x = 702,150,598,216,734.38/30,578,586.62
  6. Step 6: Final answer
    x = 22,962,166.53

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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.