Home / 20,533,990.50-30,831,264.78-11,453,828.94

Finding the Fourth Proportional to 20,533,990.50, 30,831,264.78 and 11,453,828.94

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Solution

The fourth proportional to 20,533,990.50, 30,831,264.78 and 11,453,828.94 is: 17,197,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,990.50 : 30,831,264.78 = 11,453,828.94 : x
  2. Step 2: Convert to fraction form
    20,533,990.50/30,831,264.78 = 11,453,828.94/x
  3. Step 3: Cross multiply
    20,533,990.50x = 30,831,264.78 × 11,453,828.94
  4. Step 4: Simplify right side
    20,533,990.50x = 353,136,032,793,966.75
  5. Step 5: Solve for x
    x = 353,136,032,793,966.75/20,533,990.50
  6. Step 6: Final answer
    x = 17,197,633.01

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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.