Finding the Fourth Proportional to 32,371,869.60, 48,550,028.40 and 18,695,440.80
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Solution
The fourth proportional to 32,371,869.60, 48,550,028.40 and 18,695,440.80 is: 28,038,670.40
Step by Step Solution
- Step 1: Write the proportion equation
32,371,869.60 : 48,550,028.40 = 18,695,440.80 : x - Step 2: Convert to fraction form
32,371,869.60/48,550,028.40 = 18,695,440.80/x - Step 3: Cross multiply
32,371,869.60x = 48,550,028.40 × 18,695,440.80 - Step 4: Simplify right side
32,371,869.60x = 907,664,181,790,518.75 - Step 5: Solve for x
x = 907,664,181,790,518.75/32,371,869.60 - Step 6: Final answer
x = 28,038,670.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.