Finding the Fourth Proportional to 19,761,495.70, 29,642,243.55 and 16,402,263.70
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Solution
The fourth proportional to 19,761,495.70, 29,642,243.55 and 16,402,263.70 is: 24,603,395.55
Step by Step Solution
- Step 1: Write the proportion equation
19,761,495.70 : 29,642,243.55 = 16,402,263.70 : x - Step 2: Convert to fraction form
19,761,495.70/29,642,243.55 = 16,402,263.70/x - Step 3: Cross multiply
19,761,495.70x = 29,642,243.55 × 16,402,263.70 - Step 4: Simplify right side
19,761,495.70x = 486,199,895,366,724.12 - Step 5: Solve for x
x = 486,199,895,366,724.12/19,761,495.70 - Step 6: Final answer
x = 24,603,395.55
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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.