Home / 7,858,700.34-10,839,160.56-6,939,307.41

Finding the Fourth Proportional to 7,858,700.34, 10,839,160.56 and 6,939,307.41

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Solution

The fourth proportional to 7,858,700.34, 10,839,160.56 and 6,939,307.41 is: 9,571,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,700.34 : 10,839,160.56 = 6,939,307.41 : x
  2. Step 2: Convert to fraction form
    7,858,700.34/10,839,160.56 = 6,939,307.41/x
  3. Step 3: Cross multiply
    7,858,700.34x = 10,839,160.56 × 6,939,307.41
  4. Step 4: Simplify right side
    7,858,700.34x = 75,216,267,192,187.75
  5. Step 5: Solve for x
    x = 75,216,267,192,187.75/7,858,700.34
  6. Step 6: Final answer
    x = 9,571,082.23

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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.