Home / 10,984,915.20-16,477,372.80-9,939,820.80

Finding the Fourth Proportional to 10,984,915.20, 16,477,372.80 and 9,939,820.80

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Solution

The fourth proportional to 10,984,915.20, 16,477,372.80 and 9,939,820.80 is: 14,909,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,915.20 : 16,477,372.80 = 9,939,820.80 : x
  2. Step 2: Convert to fraction form
    10,984,915.20/16,477,372.80 = 9,939,820.80/x
  3. Step 3: Cross multiply
    10,984,915.20x = 16,477,372.80 × 9,939,820.80
  4. Step 4: Simplify right side
    10,984,915.20x = 163,782,132,886,794.25
  5. Step 5: Solve for x
    x = 163,782,132,886,794.25/10,984,915.20
  6. Step 6: Final answer
    x = 14,909,731.20

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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.