Home / 12,815,362.11-17,683,297.25-7,783,493.10

Finding the Fourth Proportional to 12,815,362.11, 17,683,297.25 and 7,783,493.10

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Solution

The fourth proportional to 12,815,362.11, 17,683,297.25 and 7,783,493.10 is: 10,740,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,362.11 : 17,683,297.25 = 7,783,493.10 : x
  2. Step 2: Convert to fraction form
    12,815,362.11/17,683,297.25 = 7,783,493.10/x
  3. Step 3: Cross multiply
    12,815,362.11x = 17,683,297.25 × 7,783,493.10
  4. Step 4: Simplify right side
    12,815,362.11x = 137,637,822,130,623.97
  5. Step 5: Solve for x
    x = 137,637,822,130,623.97/12,815,362.11
  6. Step 6: Final answer
    x = 10,740,065.01

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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.