Home / 8,038,546.79-12,043,779.60-6,699,315.47

Finding the Fourth Proportional to 8,038,546.79, 12,043,779.60 and 6,699,315.47

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Solution

The fourth proportional to 8,038,546.79, 12,043,779.60 and 6,699,315.47 is: 10,037,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,546.79 : 12,043,779.60 = 6,699,315.47 : x
  2. Step 2: Convert to fraction form
    8,038,546.79/12,043,779.60 = 6,699,315.47/x
  3. Step 3: Cross multiply
    8,038,546.79x = 12,043,779.60 × 6,699,315.47
  4. Step 4: Simplify right side
    8,038,546.79x = 80,685,078,991,550.41
  5. Step 5: Solve for x
    x = 80,685,078,991,550.41/8,038,546.79
  6. Step 6: Final answer
    x = 10,037,271.80

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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.