Finding the Fourth Proportional to 19,251,362.09, 26,566,879.95 and 10,549,877.15
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Solution
The fourth proportional to 19,251,362.09, 26,566,879.95 and 10,549,877.15 is: 14,558,830.61
Step by Step Solution
- Step 1: Write the proportion equation
19,251,362.09 : 26,566,879.95 = 10,549,877.15 : x - Step 2: Convert to fraction form
19,251,362.09/26,566,879.95 = 10,549,877.15/x - Step 3: Cross multiply
19,251,362.09x = 26,566,879.95 × 10,549,877.15 - Step 4: Simplify right side
19,251,362.09x = 280,277,319,598,463.72 - Step 5: Solve for x
x = 280,277,319,598,463.72/19,251,362.09 - Step 6: Final answer
x = 14,558,830.61
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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.