Finding the Fourth Proportional to 26,712,229.68, 40,075,252.72 and 15,642,649.55
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Solution
The fourth proportional to 26,712,229.68, 40,075,252.72 and 15,642,649.55 is: 23,468,019.75
Step by Step Solution
- Step 1: Write the proportion equation
26,712,229.68 : 40,075,252.72 = 15,642,649.55 : x - Step 2: Convert to fraction form
26,712,229.68/40,075,252.72 = 15,642,649.55/x - Step 3: Cross multiply
26,712,229.68x = 40,075,252.72 × 15,642,649.55 - Step 4: Simplify right side
26,712,229.68x = 626,883,133,726,268 - Step 5: Solve for x
x = 626,883,133,726,268/26,712,229.68 - Step 6: Final answer
x = 23,468,019.75
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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.