Finding the Fourth Proportional to 7,173,207.60, 10,780,806.60 and 6,249,418.80
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Solution
The fourth proportional to 7,173,207.60, 10,780,806.60 and 6,249,418.80 is: 9,392,419.57
Step by Step Solution
- Step 1: Write the proportion equation
7,173,207.60 : 10,780,806.60 = 6,249,418.80 : x - Step 2: Convert to fraction form
7,173,207.60/10,780,806.60 = 6,249,418.80/x - Step 3: Cross multiply
7,173,207.60x = 10,780,806.60 × 6,249,418.80 - Step 4: Simplify right side
7,173,207.60x = 67,373,775,445,204.08 - Step 5: Solve for x
x = 67,373,775,445,204.08/7,173,207.60 - Step 6: Final answer
x = 9,392,419.57
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1.5x scale
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.