Home / 7,212,445.16-9,953,842.02-3,993,181.16

Finding the Fourth Proportional to 7,212,445.16, 9,953,842.02 and 3,993,181.16

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Solution

The fourth proportional to 7,212,445.16, 9,953,842.02 and 3,993,181.16 is: 5,510,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,445.16 : 9,953,842.02 = 3,993,181.16 : x
  2. Step 2: Convert to fraction form
    7,212,445.16/9,953,842.02 = 3,993,181.16/x
  3. Step 3: Cross multiply
    7,212,445.16x = 9,953,842.02 × 3,993,181.16
  4. Step 4: Simplify right side
    7,212,445.16x = 39,747,494,423,880.34
  5. Step 5: Solve for x
    x = 39,747,494,423,880.34/7,212,445.16
  6. Step 6: Final answer
    x = 5,510,959.67

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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.