Finding the Fourth Proportional to 26,987,155.23, 40,480,851.36 and 8,543,190.81
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Solution
The fourth proportional to 26,987,155.23, 40,480,851.36 and 8,543,190.81 is: 12,814,823.73
Step by Step Solution
- Step 1: Write the proportion equation
26,987,155.23 : 40,480,851.36 = 8,543,190.81 : x - Step 2: Convert to fraction form
26,987,155.23/40,480,851.36 = 8,543,190.81/x - Step 3: Cross multiply
26,987,155.23x = 40,480,851.36 × 8,543,190.81 - Step 4: Simplify right side
26,987,155.23x = 345,835,637,319,728 - Step 5: Solve for x
x = 345,835,637,319,728/26,987,155.23 - Step 6: Final answer
x = 12,814,823.73
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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.