Finding the Fourth Proportional to 27,583,852.17, 38,064,309.10 and 15,193,678.87
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Solution
The fourth proportional to 27,583,852.17, 38,064,309.10 and 15,193,678.87 is: 20,966,501.90
Step by Step Solution
- Step 1: Write the proportion equation
27,583,852.17 : 38,064,309.10 = 15,193,678.87 : x - Step 2: Convert to fraction form
27,583,852.17/38,064,309.10 = 15,193,678.87/x - Step 3: Cross multiply
27,583,852.17x = 38,064,309.10 × 15,193,678.87 - Step 4: Simplify right side
27,583,852.17x = 578,336,888,873,818.75 - Step 5: Solve for x
x = 578,336,888,873,818.75/27,583,852.17 - Step 6: Final answer
x = 20,966,501.90
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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.