Home / 13,883,357.76-19,158,887.52-7,771,836.48

Finding the Fourth Proportional to 13,883,357.76, 19,158,887.52 and 7,771,836.48

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Solution

The fourth proportional to 13,883,357.76, 19,158,887.52 and 7,771,836.48 is: 10,725,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,357.76 : 19,158,887.52 = 7,771,836.48 : x
  2. Step 2: Convert to fraction form
    13,883,357.76/19,158,887.52 = 7,771,836.48/x
  3. Step 3: Cross multiply
    13,883,357.76x = 19,158,887.52 × 7,771,836.48
  4. Step 4: Simplify right side
    13,883,357.76x = 148,899,740,944,152.75
  5. Step 5: Solve for x
    x = 148,899,740,944,152.75/13,883,357.76
  6. Step 6: Final answer
    x = 10,725,052.51

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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.