Home / 20,533,937.28-30,831,184.92-11,453,775.72

Finding the Fourth Proportional to 20,533,937.28, 30,831,184.92 and 11,453,775.72

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Solution

The fourth proportional to 20,533,937.28, 30,831,184.92 and 11,453,775.72 is: 17,197,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,937.28 : 30,831,184.92 = 11,453,775.72 : x
  2. Step 2: Convert to fraction form
    20,533,937.28/30,831,184.92 = 11,453,775.72/x
  3. Step 3: Cross multiply
    20,533,937.28x = 30,831,184.92 × 11,453,775.72
  4. Step 4: Simplify right side
    20,533,937.28x = 353,133,477,255,526.19
  5. Step 5: Solve for x
    x = 353,133,477,255,526.19/20,533,937.28
  6. Step 6: Final answer
    x = 17,197,553.13

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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.