Home / 16,438,915.85-22,688,912.63-9,913,607.69

Finding the Fourth Proportional to 16,438,915.85, 22,688,912.63 and 9,913,607.69

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Solution

The fourth proportional to 16,438,915.85, 22,688,912.63 and 9,913,607.69 is: 13,682,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438,915.85 : 22,688,912.63 = 9,913,607.69 : x
  2. Step 2: Convert to fraction form
    16,438,915.85/22,688,912.63 = 9,913,607.69/x
  3. Step 3: Cross multiply
    16,438,915.85x = 22,688,912.63 × 9,913,607.69
  4. Step 4: Simplify right side
    16,438,915.85x = 224,928,978,637,845.59
  5. Step 5: Solve for x
    x = 224,928,978,637,845.59/16,438,915.85
  6. Step 6: Final answer
    x = 13,682,713.68

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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.