Home / 6,365,642.12-8,784,698.28-3,465,116.36

Finding the Fourth Proportional to 6,365,642.12, 8,784,698.28 and 3,465,116.36

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Solution

The fourth proportional to 6,365,642.12, 8,784,698.28 and 3,465,116.36 is: 4,781,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365,642.12 : 8,784,698.28 = 3,465,116.36 : x
  2. Step 2: Convert to fraction form
    6,365,642.12/8,784,698.28 = 3,465,116.36/x
  3. Step 3: Cross multiply
    6,365,642.12x = 8,784,698.28 × 3,465,116.36
  4. Step 4: Simplify right side
    6,365,642.12x = 30,440,001,727,691.86
  5. Step 5: Solve for x
    x = 30,440,001,727,691.86/6,365,642.12
  6. Step 6: Final answer
    x = 4,781,921.63

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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.