Finding the Fourth Proportional to 19,483,677.60, 29,281,503.60 and 17,020,240.80
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Solution
The fourth proportional to 19,483,677.60, 29,281,503.60 and 17,020,240.80 is: 25,579,269.61
Step by Step Solution
- Step 1: Write the proportion equation
19,483,677.60 : 29,281,503.60 = 17,020,240.80 : x - Step 2: Convert to fraction form
19,483,677.60/29,281,503.60 = 17,020,240.80/x - Step 3: Cross multiply
19,483,677.60x = 29,281,503.60 × 17,020,240.80 - Step 4: Simplify right side
19,483,677.60x = 498,378,242,258,066.94 - Step 5: Solve for x
x = 498,378,242,258,066.94/19,483,677.60 - Step 6: Final answer
x = 25,579,269.61
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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.