Finding the Fourth Proportional to 14,143,445.87, 19,518,091.76 and 8,031,918.11
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Solution
The fourth proportional to 14,143,445.87, 19,518,091.76 and 8,031,918.11 is: 11,084,124.48
Step by Step Solution
- Step 1: Write the proportion equation
14,143,445.87 : 19,518,091.76 = 8,031,918.11 : x - Step 2: Convert to fraction form
14,143,445.87/19,518,091.76 = 8,031,918.11/x - Step 3: Cross multiply
14,143,445.87x = 19,518,091.76 × 8,031,918.11 - Step 4: Simplify right side
14,143,445.87x = 156,767,714,602,275.12 - Step 5: Solve for x
x = 156,767,714,602,275.12/14,143,445.87 - Step 6: Final answer
x = 11,084,124.48
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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.