Finding the Fourth Proportional to 19,320,201.70, 28,980,302.55 and 11,761,929.70
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Solution
The fourth proportional to 19,320,201.70, 28,980,302.55 and 11,761,929.70 is: 17,642,894.55
Step by Step Solution
- Step 1: Write the proportion equation
19,320,201.70 : 28,980,302.55 = 11,761,929.70 : x - Step 2: Convert to fraction form
19,320,201.70/28,980,302.55 = 11,761,929.70/x - Step 3: Cross multiply
19,320,201.70x = 28,980,302.55 × 11,761,929.70 - Step 4: Simplify right side
19,320,201.70x = 340,864,281,277,830.75 - Step 5: Solve for x
x = 340,864,281,277,830.75/19,320,201.70 - Step 6: Final answer
x = 17,642,894.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.