Home / 6,823,088.16-9,408,185.29-5,578,816.38

Finding the Fourth Proportional to 6,823,088.16, 9,408,185.29 and 5,578,816.38

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Solution

The fourth proportional to 6,823,088.16, 9,408,185.29 and 5,578,816.38 is: 7,692,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823,088.16 : 9,408,185.29 = 5,578,816.38 : x
  2. Step 2: Convert to fraction form
    6,823,088.16/9,408,185.29 = 5,578,816.38/x
  3. Step 3: Cross multiply
    6,823,088.16x = 9,408,185.29 × 5,578,816.38
  4. Step 4: Simplify right side
    6,823,088.16x = 52,486,538,142,239.03
  5. Step 5: Solve for x
    x = 52,486,538,142,239.03/6,823,088.16
  6. Step 6: Final answer
    x = 7,692,490.11

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Double scale
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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.