Finding the Fourth Proportional to 48,405,488.40, 72,602,188.62 and 19,623,970.62
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Solution
The fourth proportional to 48,405,488.40, 72,602,188.62 and 19,623,970.62 is: 29,433,505.65
Step by Step Solution
- Step 1: Write the proportion equation
48,405,488.40 : 72,602,188.62 = 19,623,970.62 : x - Step 2: Convert to fraction form
48,405,488.40/72,602,188.62 = 19,623,970.62/x - Step 3: Cross multiply
48,405,488.40x = 72,602,188.62 × 19,623,970.62 - Step 4: Simplify right side
48,405,488.40x = 1,424,743,216,426,578.50 - Step 5: Solve for x
x = 1,424,743,216,426,578.50/48,405,488.40 - Step 6: Final answer
x = 29,433,505.65
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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.