Finding the Fourth Proportional to 14,402,119.41, 19,879,929.77 and 8,292,982.77
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Solution
The fourth proportional to 14,402,119.41, 19,879,929.77 and 8,292,982.77 is: 11,447,198.17
Step by Step Solution
- Step 1: Write the proportion equation
14,402,119.41 : 19,879,929.77 = 8,292,982.77 : x - Step 2: Convert to fraction form
14,402,119.41/19,879,929.77 = 8,292,982.77/x - Step 3: Cross multiply
14,402,119.41x = 19,879,929.77 × 8,292,982.77 - Step 4: Simplify right side
14,402,119.41x = 164,863,915,009,955.16 - Step 5: Solve for x
x = 164,863,915,009,955.16/14,402,119.41 - Step 6: Final answer
x = 11,447,198.17
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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.