Home / 30,522,541.40-45,783,812.10-20,837,029.18

Finding the Fourth Proportional to 30,522,541.40, 45,783,812.10 and 20,837,029.18

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Solution

The fourth proportional to 30,522,541.40, 45,783,812.10 and 20,837,029.18 is: 31,255,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522,541.40 : 45,783,812.10 = 20,837,029.18 : x
  2. Step 2: Convert to fraction form
    30,522,541.40/45,783,812.10 = 20,837,029.18/x
  3. Step 3: Cross multiply
    30,522,541.40x = 45,783,812.10 × 20,837,029.18
  4. Step 4: Simplify right side
    30,522,541.40x = 953,998,628,470,418.12
  5. Step 5: Solve for x
    x = 953,998,628,470,418.12/30,522,541.40
  6. Step 6: Final answer
    x = 31,255,543.76

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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.