Finding the Fourth Proportional to 19,031,220, 26,263,112.46 and 10,329,395.79
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Solution
The fourth proportional to 19,031,220, 26,263,112.46 and 10,329,395.79 is: 14,254,581.85
Step by Step Solution
- Step 1: Write the proportion equation
19,031,220 : 26,263,112.46 = 10,329,395.79 : x - Step 2: Convert to fraction form
19,031,220/26,263,112.46 = 10,329,395.79/x - Step 3: Cross multiply
19,031,220x = 26,263,112.46 × 10,329,395.79 - Step 4: Simplify right side
19,031,220x = 271,282,083,276,620.53 - Step 5: Solve for x
x = 271,282,083,276,620.53/19,031,220 - Step 6: Final answer
x = 14,254,581.85
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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.