Finding the Fourth Proportional to 16,430,829.12, 22,672,799.58 and 9,087,495.48
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Solution
The fourth proportional to 16,430,829.12, 22,672,799.58 and 9,087,495.48 is: 12,539,778.86
Step by Step Solution
- Step 1: Write the proportion equation
16,430,829.12 : 22,672,799.58 = 9,087,495.48 : x - Step 2: Convert to fraction form
16,430,829.12/22,672,799.58 = 9,087,495.48/x - Step 3: Cross multiply
16,430,829.12x = 22,672,799.58 × 9,087,495.48 - Step 4: Simplify right side
16,430,829.12x = 206,038,963,702,195.91 - Step 5: Solve for x
x = 206,038,963,702,195.91/16,430,829.12 - Step 6: Final answer
x = 12,539,778.86
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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.