Finding the Fourth Proportional to 40,781,973.09, 56,283,915.09 and 22,903,131.75
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Solution
The fourth proportional to 40,781,973.09, 56,283,915.09 and 22,903,131.75 is: 31,609,013.13
Step by Step Solution
- Step 1: Write the proportion equation
40,781,973.09 : 56,283,915.09 = 22,903,131.75 : x - Step 2: Convert to fraction form
40,781,973.09/56,283,915.09 = 22,903,131.75/x - Step 3: Cross multiply
40,781,973.09x = 56,283,915.09 × 22,903,131.75 - Step 4: Simplify right side
40,781,973.09x = 1,289,077,922,712,083.25 - Step 5: Solve for x
x = 1,289,077,922,712,083.25/40,781,973.09 - Step 6: Final answer
x = 31,609,013.13
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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.