Home / 6,281,610.10-9,422,415.15-5,643,880.90

Finding the Fourth Proportional to 6,281,610.10, 9,422,415.15 and 5,643,880.90

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Solution

The fourth proportional to 6,281,610.10, 9,422,415.15 and 5,643,880.90 is: 8,465,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,610.10 : 9,422,415.15 = 5,643,880.90 : x
  2. Step 2: Convert to fraction form
    6,281,610.10/9,422,415.15 = 5,643,880.90/x
  3. Step 3: Cross multiply
    6,281,610.10x = 9,422,415.15 × 5,643,880.90
  4. Step 4: Simplify right side
    6,281,610.10x = 53,178,988,896,955.64
  5. Step 5: Solve for x
    x = 53,178,988,896,955.64/6,281,610.10
  6. Step 6: Final answer
    x = 8,465,821.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.