Finding the Fourth Proportional to 14,402,120.41, 19,879,931.15 and 8,292,983.77
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Solution
The fourth proportional to 14,402,120.41, 19,879,931.15 and 8,292,983.77 is: 11,447,199.56
Step by Step Solution
- Step 1: Write the proportion equation
14,402,120.41 : 19,879,931.15 = 8,292,983.77 : x - Step 2: Convert to fraction form
14,402,120.41/19,879,931.15 = 8,292,983.77/x - Step 3: Cross multiply
14,402,120.41x = 19,879,931.15 × 8,292,983.77 - Step 4: Simplify right side
14,402,120.41x = 164,863,946,375,667.41 - Step 5: Solve for x
x = 164,863,946,375,667.41/14,402,120.41 - Step 6: Final answer
x = 11,447,199.56
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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.