Home / 30,358,516.40-45,522,028.20-11,179,401.20

Finding the Fourth Proportional to 30,358,516.40, 45,522,028.20 and 11,179,401.20

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Solution

The fourth proportional to 30,358,516.40, 45,522,028.20 and 11,179,401.20 is: 16,763,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358,516.40 : 45,522,028.20 = 11,179,401.20 : x
  2. Step 2: Convert to fraction form
    30,358,516.40/45,522,028.20 = 11,179,401.20/x
  3. Step 3: Cross multiply
    30,358,516.40x = 45,522,028.20 × 11,179,401.20
  4. Step 4: Simplify right side
    30,358,516.40x = 508,909,016,685,513.81
  5. Step 5: Solve for x
    x = 508,909,016,685,513.81/30,358,516.40
  6. Step 6: Final answer
    x = 16,763,303.25

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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.