Home / 7,448,139.76-11,177,108.52-4,084,708.72

Finding the Fourth Proportional to 7,448,139.76, 11,177,108.52 and 4,084,708.72

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Solution

The fourth proportional to 7,448,139.76, 11,177,108.52 and 4,084,708.72 is: 6,129,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,139.76 : 11,177,108.52 = 4,084,708.72 : x
  2. Step 2: Convert to fraction form
    7,448,139.76/11,177,108.52 = 4,084,708.72/x
  3. Step 3: Cross multiply
    7,448,139.76x = 11,177,108.52 × 4,084,708.72
  4. Step 4: Simplify right side
    7,448,139.76x = 45,655,232,636,030.30
  5. Step 5: Solve for x
    x = 45,655,232,636,030.30/7,448,139.76
  6. Step 6: Final answer
    x = 6,129,749.72

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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.