Finding the Fourth Proportional to 8,753,646.47, 13,128,177.74 and 2,603,971.19
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Solution
The fourth proportional to 8,753,646.47, 13,128,177.74 and 2,603,971.19 is: 3,905,274.98
Step by Step Solution
- Step 1: Write the proportion equation
8,753,646.47 : 13,128,177.74 = 2,603,971.19 : x - Step 2: Convert to fraction form
8,753,646.47/13,128,177.74 = 2,603,971.19/x - Step 3: Cross multiply
8,753,646.47x = 13,128,177.74 × 2,603,971.19 - Step 4: Simplify right side
8,753,646.47x = 34,185,396,533,498.57 - Step 5: Solve for x
x = 34,185,396,533,498.57/8,753,646.47 - Step 6: Final answer
x = 3,905,274.98
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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.