Finding the Fourth Proportional to 39,675,970.02, 54,760,893.74 and 22,931,420.80
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Solution
The fourth proportional to 39,675,970.02, 54,760,893.74 and 22,931,420.80 is: 31,650,016.30
Step by Step Solution
- Step 1: Write the proportion equation
39,675,970.02 : 54,760,893.74 = 22,931,420.80 : x - Step 2: Convert to fraction form
39,675,970.02/54,760,893.74 = 22,931,420.80/x - Step 3: Cross multiply
39,675,970.02x = 54,760,893.74 × 22,931,420.80 - Step 4: Simplify right side
39,675,970.02x = 1,255,745,097,736,026 - Step 5: Solve for x
x = 1,255,745,097,736,026/39,675,970.02 - Step 6: Final answer
x = 31,650,016.30
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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.