Home / 30,220,378.32-41,702,905.08-16,469,047.20

Finding the Fourth Proportional to 30,220,378.32, 41,702,905.08 and 16,469,047.20

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Solution

The fourth proportional to 30,220,378.32, 41,702,905.08 and 16,469,047.20 is: 22,726,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220,378.32 : 41,702,905.08 = 16,469,047.20 : x
  2. Step 2: Convert to fraction form
    30,220,378.32/41,702,905.08 = 16,469,047.20/x
  3. Step 3: Cross multiply
    30,220,378.32x = 41,702,905.08 × 16,469,047.20
  4. Step 4: Simplify right side
    30,220,378.32x = 686,807,112,139,639.75
  5. Step 5: Solve for x
    x = 686,807,112,139,639.75/30,220,378.32
  6. Step 6: Final answer
    x = 22,726,621.91

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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.