Finding the Fourth Proportional to 29,077,681.72, 40,120,153.41 and 16,515,941.98
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Solution
The fourth proportional to 29,077,681.72, 40,120,153.41 and 16,515,941.98 is: 22,787,997.07
Step by Step Solution
- Step 1: Write the proportion equation
29,077,681.72 : 40,120,153.41 = 16,515,941.98 : x - Step 2: Convert to fraction form
29,077,681.72/40,120,153.41 = 16,515,941.98/x - Step 3: Cross multiply
29,077,681.72x = 40,120,153.41 × 16,515,941.98 - Step 4: Simplify right side
29,077,681.72x = 662,622,125,948,259.12 - Step 5: Solve for x
x = 662,622,125,948,259.12/29,077,681.72 - Step 6: Final answer
x = 22,787,997.07
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1.5x scale
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.