Finding the Fourth Proportional to 13,292,566.28, 19,938,847.80 and 3,195,187.28
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Solution
The fourth proportional to 13,292,566.28, 19,938,847.80 and 3,195,187.28 is: 4,792,780.53
Step by Step Solution
- Step 1: Write the proportion equation
13,292,566.28 : 19,938,847.80 = 3,195,187.28 : x - Step 2: Convert to fraction form
13,292,566.28/19,938,847.80 = 3,195,187.28/x - Step 3: Cross multiply
13,292,566.28x = 19,938,847.80 × 3,195,187.28 - Step 4: Simplify right side
13,292,566.28x = 63,708,352,868,415.98 - Step 5: Solve for x
x = 63,708,352,868,415.98/13,292,566.28 - Step 6: Final answer
x = 4,792,780.53
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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.