Home / 7,515,320-10,370,839.04-4,077,429.44

Finding the Fourth Proportional to 7,515,320, 10,370,839.04 and 4,077,429.44

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Solution

The fourth proportional to 7,515,320, 10,370,839.04 and 4,077,429.44 is: 5,626,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515,320 : 10,370,839.04 = 4,077,429.44 : x
  2. Step 2: Convert to fraction form
    7,515,320/10,370,839.04 = 4,077,429.44/x
  3. Step 3: Cross multiply
    7,515,320x = 10,370,839.04 × 4,077,429.44
  4. Step 4: Simplify right side
    7,515,320x = 42,286,364,419,197.34
  5. Step 5: Solve for x
    x = 42,286,364,419,197.34/7,515,320
  6. Step 6: Final answer
    x = 5,626,688.47

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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.