Home / 14,200,182.12-19,605,700.98-8,400,821.88

Finding the Fourth Proportional to 14,200,182.12, 19,605,700.98 and 8,400,821.88

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Solution

The fourth proportional to 14,200,182.12, 19,605,700.98 and 8,400,821.88 is: 11,598,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,182.12 : 19,605,700.98 = 8,400,821.88 : x
  2. Step 2: Convert to fraction form
    14,200,182.12/19,605,700.98 = 8,400,821.88/x
  3. Step 3: Cross multiply
    14,200,182.12x = 19,605,700.98 × 8,400,821.88
  4. Step 4: Simplify right side
    14,200,182.12x = 164,704,001,765,521.47
  5. Step 5: Solve for x
    x = 164,704,001,765,521.47/14,200,182.12
  6. Step 6: Final answer
    x = 11,598,724.61

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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.