Home / 8,317,679.40-12,455,523.90-5,462,332.20

Finding the Fourth Proportional to 8,317,679.40, 12,455,523.90 and 5,462,332.20

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Solution

The fourth proportional to 8,317,679.40, 12,455,523.90 and 5,462,332.20 is: 8,179,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,679.40 : 12,455,523.90 = 5,462,332.20 : x
  2. Step 2: Convert to fraction form
    8,317,679.40/12,455,523.90 = 5,462,332.20/x
  3. Step 3: Cross multiply
    8,317,679.40x = 12,455,523.90 × 5,462,332.20
  4. Step 4: Simplify right side
    8,317,679.40x = 68,036,209,266,839.59
  5. Step 5: Solve for x
    x = 68,036,209,266,839.59/8,317,679.40
  6. Step 6: Final answer
    x = 8,179,710.47

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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.