Finding the Fourth Proportional to 40,752,350.12, 61,128,951.65 and 11,999,030.06
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Solution
The fourth proportional to 40,752,350.12, 61,128,951.65 and 11,999,030.06 is: 17,998,670.65
Step by Step Solution
- Step 1: Write the proportion equation
40,752,350.12 : 61,128,951.65 = 11,999,030.06 : x - Step 2: Convert to fraction form
40,752,350.12/61,128,951.65 = 11,999,030.06/x - Step 3: Cross multiply
40,752,350.12x = 61,128,951.65 × 11,999,030.06 - Step 4: Simplify right side
40,752,350.12x = 733,488,128,018,996.75 - Step 5: Solve for x
x = 733,488,128,018,996.75/40,752,350.12 - Step 6: Final answer
x = 17,998,670.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.