Home / 8,249,165.70-12,379,653.45-4,651,113.30

Finding the Fourth Proportional to 8,249,165.70, 12,379,653.45 and 4,651,113.30

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Solution

The fourth proportional to 8,249,165.70, 12,379,653.45 and 4,651,113.30 is: 6,979,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,165.70 : 12,379,653.45 = 4,651,113.30 : x
  2. Step 2: Convert to fraction form
    8,249,165.70/12,379,653.45 = 4,651,113.30/x
  3. Step 3: Cross multiply
    8,249,165.70x = 12,379,653.45 × 4,651,113.30
  4. Step 4: Simplify right side
    8,249,165.70x = 57,579,170,810,685.88
  5. Step 5: Solve for x
    x = 57,579,170,810,685.88/8,249,165.70
  6. Step 6: Final answer
    x = 6,979,999.30

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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.