Home / 30,660,374.40-45,990,561.60-26,100,916.80

Finding the Fourth Proportional to 30,660,374.40, 45,990,561.60 and 26,100,916.80

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Solution

The fourth proportional to 30,660,374.40, 45,990,561.60 and 26,100,916.80 is: 39,151,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,374.40 : 45,990,561.60 = 26,100,916.80 : x
  2. Step 2: Convert to fraction form
    30,660,374.40/45,990,561.60 = 26,100,916.80/x
  3. Step 3: Cross multiply
    30,660,374.40x = 45,990,561.60 × 26,100,916.80
  4. Step 4: Simplify right side
    30,660,374.40x = 1,200,395,821,906,875
  5. Step 5: Solve for x
    x = 1,200,395,821,906,875/30,660,374.40
  6. Step 6: Final answer
    x = 39,151,375.20

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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.