Finding the Fourth Proportional to 29,260,579.41, 40,379,603.09 and 16,208,683.70
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Solution
The fourth proportional to 29,260,579.41, 40,379,603.09 and 16,208,683.70 is: 22,367,985.44
Step by Step Solution
- Step 1: Write the proportion equation
29,260,579.41 : 40,379,603.09 = 16,208,683.70 : x - Step 2: Convert to fraction form
29,260,579.41/40,379,603.09 = 16,208,683.70/x - Step 3: Cross multiply
29,260,579.41x = 40,379,603.09 × 16,208,683.70 - Step 4: Simplify right side
29,260,579.41x = 654,500,214,134,411.25 - Step 5: Solve for x
x = 654,500,214,134,411.25/29,260,579.41 - Step 6: Final answer
x = 22,367,985.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.