Home / 30,387,471.50-41,938,704.20-17,331,737.60

Finding the Fourth Proportional to 30,387,471.50, 41,938,704.20 and 17,331,737.60

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Solution

The fourth proportional to 30,387,471.50, 41,938,704.20 and 17,331,737.60 is: 23,920,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,471.50 : 41,938,704.20 = 17,331,737.60 : x
  2. Step 2: Convert to fraction form
    30,387,471.50/41,938,704.20 = 17,331,737.60/x
  3. Step 3: Cross multiply
    30,387,471.50x = 41,938,704.20 × 17,331,737.60
  4. Step 4: Simplify right side
    30,387,471.50x = 726,870,616,478,418
  5. Step 5: Solve for x
    x = 726,870,616,478,418/30,387,471.50
  6. Step 6: Final answer
    x = 23,920,075.63

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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.