Home / 28,771,400.15-42,947,213.75-25,139,296.16

Finding the Fourth Proportional to 28,771,400.15, 42,947,213.75 and 25,139,296.16

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Solution

The fourth proportional to 28,771,400.15, 42,947,213.75 and 25,139,296.16 is: 37,525,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,400.15 : 42,947,213.75 = 25,139,296.16 : x
  2. Step 2: Convert to fraction form
    28,771,400.15/42,947,213.75 = 25,139,296.16/x
  3. Step 3: Cross multiply
    28,771,400.15x = 42,947,213.75 × 25,139,296.16
  4. Step 4: Simplify right side
    28,771,400.15x = 1,079,662,725,708,074.25
  5. Step 5: Solve for x
    x = 1,079,662,725,708,074.25/28,771,400.15
  6. Step 6: Final answer
    x = 37,525,553.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.