Finding the Fourth Proportional to 31,506,382.06, 47,232,617.15 and 12,089,542.19
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Solution
The fourth proportional to 31,506,382.06, 47,232,617.15 and 12,089,542.19 is: 18,123,969.82
Step by Step Solution
- Step 1: Write the proportion equation
31,506,382.06 : 47,232,617.15 = 12,089,542.19 : x - Step 2: Convert to fraction form
31,506,382.06/47,232,617.15 = 12,089,542.19/x - Step 3: Cross multiply
31,506,382.06x = 47,232,617.15 × 12,089,542.19 - Step 4: Simplify right side
31,506,382.06x = 571,020,717,750,225.75 - Step 5: Solve for x
x = 571,020,717,750,225.75/31,506,382.06 - Step 6: Final answer
x = 18,123,969.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.