Home / 18,564,778.84-25,621,016-10,832,312.28

Finding the Fourth Proportional to 18,564,778.84, 25,621,016 and 10,832,312.28

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Solution

The fourth proportional to 18,564,778.84, 25,621,016 and 10,832,312.28 is: 14,949,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564,778.84 : 25,621,016 = 10,832,312.28 : x
  2. Step 2: Convert to fraction form
    18,564,778.84/25,621,016 = 10,832,312.28/x
  3. Step 3: Cross multiply
    18,564,778.84x = 25,621,016 × 10,832,312.28
  4. Step 4: Simplify right side
    18,564,778.84x = 277,534,846,242,876.47
  5. Step 5: Solve for x
    x = 277,534,846,242,876.47/18,564,778.84
  6. Step 6: Final answer
    x = 14,949,536.90

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1.5x scale

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.