Home / 7,515,000-10,370,725.92-4,077,256.32

Finding the Fourth Proportional to 7,515,000, 10,370,725.92 and 4,077,256.32

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Solution

The fourth proportional to 7,515,000, 10,370,725.92 and 4,077,256.32 is: 5,626,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515,000 : 10,370,725.92 = 4,077,256.32 : x
  2. Step 2: Convert to fraction form
    7,515,000/10,370,725.92 = 4,077,256.32/x
  3. Step 3: Cross multiply
    7,515,000x = 10,370,725.92 × 4,077,256.32
  4. Step 4: Simplify right side
    7,515,000x = 42,284,107,800,307.81
  5. Step 5: Solve for x
    x = 42,284,107,800,307.81/7,515,000
  6. Step 6: Final answer
    x = 5,626,627.78

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1.5x scale

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.