Home / 20,208,830.15-30,312,810.00-5,635,361.36

Finding the Fourth Proportional to 20,208,830.15, 30,312,810.00 and 5,635,361.36

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Solution

The fourth proportional to 20,208,830.15, 30,312,810.00 and 5,635,361.36 is: 8,452,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,830.15 : 30,312,810.00 = 5,635,361.36 : x
  2. Step 2: Convert to fraction form
    20,208,830.15/30,312,810.00 = 5,635,361.36/x
  3. Step 3: Cross multiply
    20,208,830.15x = 30,312,810.00 × 5,635,361.36
  4. Step 4: Simplify right side
    20,208,830.15x = 170,823,638,282,611.94
  5. Step 5: Solve for x
    x = 170,823,638,282,611.94/20,208,830.15
  6. Step 6: Final answer
    x = 8,452,920.68

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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.