Home / 30,559,069.43-42,172,313.63-16,808,394.41

Finding the Fourth Proportional to 30,559,069.43, 42,172,313.63 and 16,808,394.41

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Solution

The fourth proportional to 30,559,069.43, 42,172,313.63 and 16,808,394.41 is: 23,196,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,069.43 : 42,172,313.63 = 16,808,394.41 : x
  2. Step 2: Convert to fraction form
    30,559,069.43/42,172,313.63 = 16,808,394.41/x
  3. Step 3: Cross multiply
    30,559,069.43x = 42,172,313.63 × 16,808,394.41
  4. Step 4: Simplify right side
    30,559,069.43x = 708,848,880,380,355.38
  5. Step 5: Solve for x
    x = 708,848,880,380,355.38/30,559,069.43
  6. Step 6: Final answer
    x = 23,196,023.10

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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.