Finding the Fourth Proportional to 32,712,374.50, 45,135,148.52 and 18,580,417.29
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Solution
The fourth proportional to 32,712,374.50, 45,135,148.52 and 18,580,417.29 is: 25,636,472.65
Step by Step Solution
- Step 1: Write the proportion equation
32,712,374.50 : 45,135,148.52 = 18,580,417.29 : x - Step 2: Convert to fraction form
32,712,374.50/45,135,148.52 = 18,580,417.29/x - Step 3: Cross multiply
32,712,374.50x = 45,135,148.52 × 18,580,417.29 - Step 4: Simplify right side
32,712,374.50x = 838,629,893,994,176.88 - Step 5: Solve for x
x = 838,629,893,994,176.88/32,712,374.50 - Step 6: Final answer
x = 25,636,472.65
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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.