Home / 6,989,315.52-9,648,231.30-4,698,804.78

Finding the Fourth Proportional to 6,989,315.52, 9,648,231.30 and 4,698,804.78

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Solution

The fourth proportional to 6,989,315.52, 9,648,231.30 and 4,698,804.78 is: 6,486,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,315.52 : 9,648,231.30 = 4,698,804.78 : x
  2. Step 2: Convert to fraction form
    6,989,315.52/9,648,231.30 = 4,698,804.78/x
  3. Step 3: Cross multiply
    6,989,315.52x = 9,648,231.30 × 4,698,804.78
  4. Step 4: Simplify right side
    6,989,315.52x = 45,335,155,350,985.62
  5. Step 5: Solve for x
    x = 45,335,155,350,985.62/6,989,315.52
  6. Step 6: Final answer
    x = 6,486,351.23

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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.