Home / 7,109,442.90-10,646,121.60-3,910,955.40

Finding the Fourth Proportional to 7,109,442.90, 10,646,121.60 and 3,910,955.40

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Solution

The fourth proportional to 7,109,442.90, 10,646,121.60 and 3,910,955.40 is: 5,856,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,442.90 : 10,646,121.60 = 3,910,955.40 : x
  2. Step 2: Convert to fraction form
    7,109,442.90/10,646,121.60 = 3,910,955.40/x
  3. Step 3: Cross multiply
    7,109,442.90x = 10,646,121.60 × 3,910,955.40
  4. Step 4: Simplify right side
    7,109,442.90x = 41,636,506,760,576.64
  5. Step 5: Solve for x
    x = 41,636,506,760,576.64/7,109,442.90
  6. Step 6: Final answer
    x = 5,856,507.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.