Home / 13,582,186-18,746,079.24-7,784,854

Finding the Fourth Proportional to 13,582,186, 18,746,079.24 and 7,784,854

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Solution

The fourth proportional to 13,582,186, 18,746,079.24 and 7,784,854 is: 10,744,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,186 : 18,746,079.24 = 7,784,854 : x
  2. Step 2: Convert to fraction form
    13,582,186/18,746,079.24 = 7,784,854/x
  3. Step 3: Cross multiply
    13,582,186x = 18,746,079.24 × 7,784,854
  4. Step 4: Simplify right side
    13,582,186x = 145,935,489,955,830.94
  5. Step 5: Solve for x
    x = 145,935,489,955,830.94/13,582,186
  6. Step 6: Final answer
    x = 10,744,624.61

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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.