Home / 8,380,324.02-12,579,281.89-7,426,879.50

Finding the Fourth Proportional to 8,380,324.02, 12,579,281.89 and 7,426,879.50

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Solution

The fourth proportional to 8,380,324.02, 12,579,281.89 and 7,426,879.50 is: 11,148,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,324.02 : 12,579,281.89 = 7,426,879.50 : x
  2. Step 2: Convert to fraction form
    8,380,324.02/12,579,281.89 = 7,426,879.50/x
  3. Step 3: Cross multiply
    8,380,324.02x = 12,579,281.89 × 7,426,879.50
  4. Step 4: Simplify right side
    8,380,324.02x = 93,424,810,756,427.86
  5. Step 5: Solve for x
    x = 93,424,810,756,427.86/8,380,324.02
  6. Step 6: Final answer
    x = 11,148,114.38

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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.