Home / 18,564,781.84-25,621,020.14-10,832,315.28

Finding the Fourth Proportional to 18,564,781.84, 25,621,020.14 and 10,832,315.28

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Solution

The fourth proportional to 18,564,781.84, 25,621,020.14 and 10,832,315.28 is: 14,949,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564,781.84 : 25,621,020.14 = 10,832,315.28 : x
  2. Step 2: Convert to fraction form
    18,564,781.84/25,621,020.14 = 10,832,315.28/x
  3. Step 3: Cross multiply
    18,564,781.84x = 25,621,020.14 × 10,832,315.28
  4. Step 4: Simplify right side
    18,564,781.84x = 277,534,967,951,709.72
  5. Step 5: Solve for x
    x = 277,534,967,951,709.72/18,564,781.84
  6. Step 6: Final answer
    x = 14,949,541.04

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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.