Home / 13,582,185-18,746,077.86-7,784,853

Finding the Fourth Proportional to 13,582,185, 18,746,077.86 and 7,784,853

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Solution

The fourth proportional to 13,582,185, 18,746,077.86 and 7,784,853 is: 10,744,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,185 : 18,746,077.86 = 7,784,853 : x
  2. Step 2: Convert to fraction form
    13,582,185/18,746,077.86 = 7,784,853/x
  3. Step 3: Cross multiply
    13,582,185x = 18,746,077.86 × 7,784,853
  4. Step 4: Simplify right side
    13,582,185x = 145,935,460,466,654.56
  5. Step 5: Solve for x
    x = 145,935,460,466,654.56/13,582,185
  6. Step 6: Final answer
    x = 10,744,623.23

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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.