Finding the Fourth Proportional to 29,014,289.19, 40,038,137.82 and 15,959,440.62
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Solution
The fourth proportional to 29,014,289.19, 40,038,137.82 and 15,959,440.62 is: 22,023,158.28
Step by Step Solution
- Step 1: Write the proportion equation
29,014,289.19 : 40,038,137.82 = 15,959,440.62 : x - Step 2: Convert to fraction form
29,014,289.19/40,038,137.82 = 15,959,440.62/x - Step 3: Cross multiply
29,014,289.19x = 40,038,137.82 × 15,959,440.62 - Step 4: Simplify right side
29,014,289.19x = 638,986,283,073,666.25 - Step 5: Solve for x
x = 638,986,283,073,666.25/29,014,289.19 - Step 6: Final answer
x = 22,023,158.28
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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.