Finding the Fourth Proportional to 8,287,530.18, 12,430,114.26 and 2,607,606.90
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Solution
The fourth proportional to 8,287,530.18, 12,430,114.26 and 2,607,606.90 is: 3,911,038.75
Step by Step Solution
- Step 1: Write the proportion equation
8,287,530.18 : 12,430,114.26 = 2,607,606.90 : x - Step 2: Convert to fraction form
8,287,530.18/12,430,114.26 = 2,607,606.90/x - Step 3: Cross multiply
8,287,530.18x = 12,430,114.26 × 2,607,606.90 - Step 4: Simplify right side
8,287,530.18x = 32,412,851,712,164.39 - Step 5: Solve for x
x = 32,412,851,712,164.39/8,287,530.18 - Step 6: Final answer
x = 3,911,038.75
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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.