Home / 13,796,182.56-19,039,319.28-7,684,613.76

Finding the Fourth Proportional to 13,796,182.56, 19,039,319.28 and 7,684,613.76

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Solution

The fourth proportional to 13,796,182.56, 19,039,319.28 and 7,684,613.76 is: 10,605,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796,182.56 : 19,039,319.28 = 7,684,613.76 : x
  2. Step 2: Convert to fraction form
    13,796,182.56/19,039,319.28 = 7,684,613.76/x
  3. Step 3: Cross multiply
    13,796,182.56x = 19,039,319.28 × 7,684,613.76
  4. Step 4: Simplify right side
    13,796,182.56x = 146,309,814,920,121.31
  5. Step 5: Solve for x
    x = 146,309,814,920,121.31/13,796,182.56
  6. Step 6: Final answer
    x = 10,605,094.15

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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.