Finding the Fourth Proportional to 19,031,230, 26,263,126.26 and 10,329,405.79
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Solution
The fourth proportional to 19,031,230, 26,263,126.26 and 10,329,405.79 is: 14,254,595.65
Step by Step Solution
- Step 1: Write the proportion equation
19,031,230 : 26,263,126.26 = 10,329,405.79 : x - Step 2: Convert to fraction form
19,031,230/26,263,126.26 = 10,329,405.79/x - Step 3: Cross multiply
19,031,230x = 26,263,126.26 × 10,329,405.79 - Step 4: Simplify right side
19,031,230x = 271,282,488,453,545.03 - Step 5: Solve for x
x = 271,282,488,453,545.03/19,031,230 - Step 6: Final answer
x = 14,254,595.65
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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.