Finding the Fourth Proportional to 19,703,744.34, 27,191,004.87 and 10,762,861.95
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Solution
The fourth proportional to 19,703,744.34, 27,191,004.87 and 10,762,861.95 is: 14,852,660.83
Step by Step Solution
- Step 1: Write the proportion equation
19,703,744.34 : 27,191,004.87 = 10,762,861.95 : x - Step 2: Convert to fraction form
19,703,744.34/27,191,004.87 = 10,762,861.95/x - Step 3: Cross multiply
19,703,744.34x = 27,191,004.87 × 10,762,861.95 - Step 4: Simplify right side
19,703,744.34x = 292,653,031,697,587.69 - Step 5: Solve for x
x = 292,653,031,697,587.69/19,703,744.34 - Step 6: Final answer
x = 14,852,660.83
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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.