Finding the Fourth Proportional to 9,282,788.19, 13,938,756.62 and 7,862,097.20
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Solution
The fourth proportional to 9,282,788.19, 13,938,756.62 and 7,862,097.20 is: 11,805,489.58
Step by Step Solution
- Step 1: Write the proportion equation
9,282,788.19 : 13,938,756.62 = 7,862,097.20 : x - Step 2: Convert to fraction form
9,282,788.19/13,938,756.62 = 7,862,097.20/x - Step 3: Cross multiply
9,282,788.19x = 13,938,756.62 × 7,862,097.20 - Step 4: Simplify right side
9,282,788.19x = 109,587,859,284,579.20 - Step 5: Solve for x
x = 109,587,859,284,579.20/9,282,788.19 - Step 6: Final answer
x = 11,805,489.58
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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.