Finding the Fourth Proportional to 7,776,110.90, 11,664,166.35 and 4,938,259.70
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Solution
The fourth proportional to 7,776,110.90, 11,664,166.35 and 4,938,259.70 is: 7,407,389.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,110.90 : 11,664,166.35 = 4,938,259.70 : x - Step 2: Convert to fraction form
7,776,110.90/11,664,166.35 = 4,938,259.70/x - Step 3: Cross multiply
7,776,110.90x = 11,664,166.35 × 4,938,259.70 - Step 4: Simplify right side
7,776,110.90x = 57,600,682,620,301.09 - Step 5: Solve for x
x = 57,600,682,620,301.09/7,776,110.90 - Step 6: Final answer
x = 7,407,389.55
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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.