Home / 10,985,213.60-16,496,482.80-8,148,528.80

Finding the Fourth Proportional to 10,985,213.60, 16,496,482.80 and 8,148,528.80

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Solution

The fourth proportional to 10,985,213.60, 16,496,482.80 and 8,148,528.80 is: 12,236,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,213.60 : 16,496,482.80 = 8,148,528.80 : x
  2. Step 2: Convert to fraction form
    10,985,213.60/16,496,482.80 = 8,148,528.80/x
  3. Step 3: Cross multiply
    10,985,213.60x = 16,496,482.80 × 8,148,528.80
  4. Step 4: Simplify right side
    10,985,213.60x = 134,422,065,194,504.64
  5. Step 5: Solve for x
    x = 134,422,065,194,504.64/10,985,213.60
  6. Step 6: Final answer
    x = 12,236,636.45

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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.