Home / 6,989,325.49-9,648,245.10-4,698,814.78

Finding the Fourth Proportional to 6,989,325.49, 9,648,245.10 and 4,698,814.78

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Solution

The fourth proportional to 6,989,325.49, 9,648,245.10 and 4,698,814.78 is: 6,486,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,325.49 : 9,648,245.10 = 4,698,814.78 : x
  2. Step 2: Convert to fraction form
    6,989,325.49/9,648,245.10 = 4,698,814.78/x
  3. Step 3: Cross multiply
    6,989,325.49x = 9,648,245.10 × 4,698,814.78
  4. Step 4: Simplify right side
    6,989,325.49x = 45,335,316,676,942.58
  5. Step 5: Solve for x
    x = 45,335,316,676,942.58/6,989,325.49
  6. Step 6: Final answer
    x = 6,486,365.06

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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.