Home / 7,120,749.34-10,663,409.28-4,980,813.58

Finding the Fourth Proportional to 7,120,749.34, 10,663,409.28 and 4,980,813.58

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Solution

The fourth proportional to 7,120,749.34, 10,663,409.28 and 4,980,813.58 is: 7,458,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,749.34 : 10,663,409.28 = 4,980,813.58 : x
  2. Step 2: Convert to fraction form
    7,120,749.34/10,663,409.28 = 4,980,813.58/x
  3. Step 3: Cross multiply
    7,120,749.34x = 10,663,409.28 × 4,980,813.58
  4. Step 4: Simplify right side
    7,120,749.34x = 53,112,453,694,930.57
  5. Step 5: Solve for x
    x = 53,112,453,694,930.57/7,120,749.34
  6. Step 6: Final answer
    x = 7,458,829.29

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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.