Home / 7,716,941.24-10,640,069.07-6,668,489.34

Finding the Fourth Proportional to 7,716,941.24, 10,640,069.07 and 6,668,489.34

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Solution

The fourth proportional to 7,716,941.24, 10,640,069.07 and 6,668,489.34 is: 9,194,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,941.24 : 10,640,069.07 = 6,668,489.34 : x
  2. Step 2: Convert to fraction form
    7,716,941.24/10,640,069.07 = 6,668,489.34/x
  3. Step 3: Cross multiply
    7,716,941.24x = 10,640,069.07 × 6,668,489.34
  4. Step 4: Simplify right side
    7,716,941.24x = 70,953,187,170,158.72
  5. Step 5: Solve for x
    x = 70,953,187,170,158.72/7,716,941.24
  6. Step 6: Final answer
    x = 9,194,470.32

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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.