Finding the Fourth Proportional to 42,715,625.12, 58,931,292.66 and 31,578,859.52
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Solution
The fourth proportional to 42,715,625.12, 58,931,292.66 and 31,578,859.52 is: 43,566,798.03
Step by Step Solution
- Step 1: Write the proportion equation
42,715,625.12 : 58,931,292.66 = 31,578,859.52 : x - Step 2: Convert to fraction form
42,715,625.12/58,931,292.66 = 31,578,859.52/x - Step 3: Cross multiply
42,715,625.12x = 58,931,292.66 × 31,578,859.52 - Step 4: Simplify right side
42,715,625.12x = 1,860,983,012,242,147 - Step 5: Solve for x
x = 1,860,983,012,242,147/42,715,625.12 - Step 6: Final answer
x = 43,566,798.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.