Home / 6,989,317.52-9,648,234.06-4,698,806.80

Finding the Fourth Proportional to 6,989,317.52, 9,648,234.06 and 4,698,806.80

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Solution

The fourth proportional to 6,989,317.52, 9,648,234.06 and 4,698,806.80 is: 6,486,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,317.52 : 9,648,234.06 = 4,698,806.80 : x
  2. Step 2: Convert to fraction form
    6,989,317.52/9,648,234.06 = 4,698,806.80/x
  3. Step 3: Cross multiply
    6,989,317.52x = 9,648,234.06 × 4,698,806.80
  4. Step 4: Simplify right side
    6,989,317.52x = 45,335,187,809,119.61
  5. Step 5: Solve for x
    x = 45,335,187,809,119.61/6,989,317.52
  6. Step 6: Final answer
    x = 6,486,354.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.