Home / 15,284,545.81-21,092,672.51-8,408,880.25

Finding the Fourth Proportional to 15,284,545.81, 21,092,672.51 and 8,408,880.25

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Solution

The fourth proportional to 15,284,545.81, 21,092,672.51 and 8,408,880.25 is: 11,604,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,545.81 : 21,092,672.51 = 8,408,880.25 : x
  2. Step 2: Convert to fraction form
    15,284,545.81/21,092,672.51 = 8,408,880.25/x
  3. Step 3: Cross multiply
    15,284,545.81x = 21,092,672.51 × 8,408,880.25
  4. Step 4: Simplify right side
    15,284,545.81x = 177,365,757,289,056.94
  5. Step 5: Solve for x
    x = 177,365,757,289,056.94/15,284,545.81
  6. Step 6: Final answer
    x = 11,604,254.36

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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.