Home / 12,619,697.16-18,921,964.14-4,934,185.68

Finding the Fourth Proportional to 12,619,697.16, 18,921,964.14 and 4,934,185.68

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Solution

The fourth proportional to 12,619,697.16, 18,921,964.14 and 4,934,185.68 is: 7,398,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,697.16 : 18,921,964.14 = 4,934,185.68 : x
  2. Step 2: Convert to fraction form
    12,619,697.16/18,921,964.14 = 4,934,185.68/x
  3. Step 3: Cross multiply
    12,619,697.16x = 18,921,964.14 × 4,934,185.68
  4. Step 4: Simplify right side
    12,619,697.16x = 93,364,484,497,061.52
  5. Step 5: Solve for x
    x = 93,364,484,497,061.52/12,619,697.16
  6. Step 6: Final answer
    x = 7,398,314.18

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