Finding the Fourth Proportional to 9,862,809.60, 13,608,418.98 and 5,888,307.26
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Solution
The fourth proportional to 9,862,809.60, 13,608,418.98 and 5,888,307.26 is: 8,124,515.79
Step by Step Solution
- Step 1: Write the proportion equation
9,862,809.60 : 13,608,418.98 = 5,888,307.26 : x - Step 2: Convert to fraction form
9,862,809.60/13,608,418.98 = 5,888,307.26/x - Step 3: Cross multiply
9,862,809.60x = 13,608,418.98 × 5,888,307.26 - Step 4: Simplify right side
9,862,809.60x = 80,130,552,277,055.80 - Step 5: Solve for x
x = 80,130,552,277,055.80/9,862,809.60 - Step 6: Final answer
x = 8,124,515.79
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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.