Home / 8,085,390.60-12,128,085.90-4,896,744.60

Finding the Fourth Proportional to 8,085,390.60, 12,128,085.90 and 4,896,744.60

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Solution

The fourth proportional to 8,085,390.60, 12,128,085.90 and 4,896,744.60 is: 7,345,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,390.60 : 12,128,085.90 = 4,896,744.60 : x
  2. Step 2: Convert to fraction form
    8,085,390.60/12,128,085.90 = 4,896,744.60/x
  3. Step 3: Cross multiply
    8,085,390.60x = 12,128,085.90 × 4,896,744.60
  4. Step 4: Simplify right side
    8,085,390.60x = 59,388,139,139,161.14
  5. Step 5: Solve for x
    x = 59,388,139,139,161.14/8,085,390.60
  6. Step 6: Final answer
    x = 7,345,116.90

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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.