Home / 16,880,378.06-23,294,944.78-9,145,420.76

Finding the Fourth Proportional to 16,880,378.06, 23,294,944.78 and 9,145,420.76

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Solution

The fourth proportional to 16,880,378.06, 23,294,944.78 and 9,145,420.76 is: 12,620,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880,378.06 : 23,294,944.78 = 9,145,420.76 : x
  2. Step 2: Convert to fraction form
    16,880,378.06/23,294,944.78 = 9,145,420.76/x
  3. Step 3: Cross multiply
    16,880,378.06x = 23,294,944.78 × 9,145,420.76
  4. Step 4: Simplify right side
    16,880,378.06x = 213,042,071,594,065.62
  5. Step 5: Solve for x
    x = 213,042,071,594,065.62/16,880,378.06
  6. Step 6: Final answer
    x = 12,620,693.14

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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.