Home / 10,984,938.20-16,477,407.30-9,939,843.80

Finding the Fourth Proportional to 10,984,938.20, 16,477,407.30 and 9,939,843.80

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Solution

The fourth proportional to 10,984,938.20, 16,477,407.30 and 9,939,843.80 is: 14,909,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,938.20 : 16,477,407.30 = 9,939,843.80 : x
  2. Step 2: Convert to fraction form
    10,984,938.20/16,477,407.30 = 9,939,843.80/x
  3. Step 3: Cross multiply
    10,984,938.20x = 16,477,407.30 × 9,939,843.80
  4. Step 4: Simplify right side
    10,984,938.20x = 163,782,854,790,979.75
  5. Step 5: Solve for x
    x = 163,782,854,790,979.75/10,984,938.20
  6. Step 6: Final answer
    x = 14,909,765.70

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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.