Home / 13,582,178-18,746,068.20-7,784,846

Finding the Fourth Proportional to 13,582,178, 18,746,068.20 and 7,784,846

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Solution

The fourth proportional to 13,582,178, 18,746,068.20 and 7,784,846 is: 10,744,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,178 : 18,746,068.20 = 7,784,846 : x
  2. Step 2: Convert to fraction form
    13,582,178/18,746,068.20 = 7,784,846/x
  3. Step 3: Cross multiply
    13,582,178x = 18,746,068.20 × 7,784,846
  4. Step 4: Simplify right side
    13,582,178x = 145,935,254,042,497.19
  5. Step 5: Solve for x
    x = 145,935,254,042,497.19/13,582,178
  6. Step 6: Final answer
    x = 10,744,613.57

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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.