Home / 20,216,152.54-30,313,439.67-10,490,973.43

Finding the Fourth Proportional to 20,216,152.54, 30,313,439.67 and 10,490,973.43

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Solution

The fourth proportional to 20,216,152.54, 30,313,439.67 and 10,490,973.43 is: 15,730,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,152.54 : 30,313,439.67 = 10,490,973.43 : x
  2. Step 2: Convert to fraction form
    20,216,152.54/30,313,439.67 = 10,490,973.43/x
  3. Step 3: Cross multiply
    20,216,152.54x = 30,313,439.67 × 10,490,973.43
  4. Step 4: Simplify right side
    20,216,152.54x = 318,017,490,087,208.12
  5. Step 5: Solve for x
    x = 318,017,490,087,208.12/20,216,152.54
  6. Step 6: Final answer
    x = 15,730,861.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.