Home / 6,978,346.25-9,630,123.48-3,880,802.16

Finding the Fourth Proportional to 6,978,346.25, 9,630,123.48 and 3,880,802.16

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Solution

The fourth proportional to 6,978,346.25, 9,630,123.48 and 3,880,802.16 is: 5,355,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,346.25 : 9,630,123.48 = 3,880,802.16 : x
  2. Step 2: Convert to fraction form
    6,978,346.25/9,630,123.48 = 3,880,802.16/x
  3. Step 3: Cross multiply
    6,978,346.25x = 9,630,123.48 × 3,880,802.16
  4. Step 4: Simplify right side
    6,978,346.25x = 37,372,604,002,250.72
  5. Step 5: Solve for x
    x = 37,372,604,002,250.72/6,978,346.25
  6. Step 6: Final answer
    x = 5,355,510.13

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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.