Home / 13,122,040.70-19,683,061.05-8,315,452.10

Finding the Fourth Proportional to 13,122,040.70, 19,683,061.05 and 8,315,452.10

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Solution

The fourth proportional to 13,122,040.70, 19,683,061.05 and 8,315,452.10 is: 12,473,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,040.70 : 19,683,061.05 = 8,315,452.10 : x
  2. Step 2: Convert to fraction form
    13,122,040.70/19,683,061.05 = 8,315,452.10/x
  3. Step 3: Cross multiply
    13,122,040.70x = 19,683,061.05 × 8,315,452.10
  4. Step 4: Simplify right side
    13,122,040.70x = 163,673,551,342,650.72
  5. Step 5: Solve for x
    x = 163,673,551,342,650.72/13,122,040.70
  6. Step 6: Final answer
    x = 12,473,178.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.