Finding the Fourth Proportional to 19,319,784.93, 26,661,614.18 and 11,059,813.98
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Solution
The fourth proportional to 19,319,784.93, 26,661,614.18 and 11,059,813.98 is: 15,262,721.31
Step by Step Solution
- Step 1: Write the proportion equation
19,319,784.93 : 26,661,614.18 = 11,059,813.98 : x - Step 2: Convert to fraction form
19,319,784.93/26,661,614.18 = 11,059,813.98/x - Step 3: Cross multiply
19,319,784.93x = 26,661,614.18 × 11,059,813.98 - Step 4: Simplify right side
19,319,784.93x = 294,872,493,182,031.19 - Step 5: Solve for x
x = 294,872,493,182,031.19/19,319,784.93 - Step 6: Final answer
x = 15,262,721.31
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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.