Finding the Fourth Proportional to 48,355,487.60, 72,470,245.80 and 19,578,066.80
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Solution
The fourth proportional to 48,355,487.60, 72,470,245.80 and 19,578,066.80 is: 29,341,598.72
Step by Step Solution
- Step 1: Write the proportion equation
48,355,487.60 : 72,470,245.80 = 19,578,066.80 : x - Step 2: Convert to fraction form
48,355,487.60/72,470,245.80 = 19,578,066.80/x - Step 3: Cross multiply
48,355,487.60x = 72,470,245.80 × 19,578,066.80 - Step 4: Simplify right side
48,355,487.60x = 1,418,827,313,284,819.50 - Step 5: Solve for x
x = 1,418,827,313,284,819.50/48,355,487.60 - Step 6: Final answer
x = 29,341,598.72
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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.