Home / 13,582,177-18,746,066.82-7,784,845

Finding the Fourth Proportional to 13,582,177, 18,746,066.82 and 7,784,845

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Solution

The fourth proportional to 13,582,177, 18,746,066.82 and 7,784,845 is: 10,744,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,177 : 18,746,066.82 = 7,784,845 : x
  2. Step 2: Convert to fraction form
    13,582,177/18,746,066.82 = 7,784,845/x
  3. Step 3: Cross multiply
    13,582,177x = 18,746,066.82 × 7,784,845
  4. Step 4: Simplify right side
    13,582,177x = 145,935,224,553,342.91
  5. Step 5: Solve for x
    x = 145,935,224,553,342.91/13,582,177
  6. Step 6: Final answer
    x = 10,744,612.19

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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.