Home / 20,903,661.42-28,847,052.77-11,736,501

Finding the Fourth Proportional to 20,903,661.42, 28,847,052.77 and 11,736,501

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Solution

The fourth proportional to 20,903,661.42, 28,847,052.77 and 11,736,501 is: 16,196,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,661.42 : 28,847,052.77 = 11,736,501 : x
  2. Step 2: Convert to fraction form
    20,903,661.42/28,847,052.77 = 11,736,501/x
  3. Step 3: Cross multiply
    20,903,661.42x = 28,847,052.77 × 11,736,501
  4. Step 4: Simplify right side
    20,903,661.42x = 338,563,463,623,475.25
  5. Step 5: Solve for x
    x = 338,563,463,623,475.25/20,903,661.42
  6. Step 6: Final answer
    x = 16,196,371.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.