Finding the Fourth Proportional to 19,239,356.48, 26,548,946.20 and 10,977,482.84
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Solution
The fourth proportional to 19,239,356.48, 26,548,946.20 and 10,977,482.84 is: 15,148,147.06
Step by Step Solution
- Step 1: Write the proportion equation
19,239,356.48 : 26,548,946.20 = 10,977,482.84 : x - Step 2: Convert to fraction form
19,239,356.48/26,548,946.20 = 10,977,482.84/x - Step 3: Cross multiply
19,239,356.48x = 26,548,946.20 × 10,977,482.84 - Step 4: Simplify right side
19,239,356.48x = 291,440,601,330,583.19 - Step 5: Solve for x
x = 291,440,601,330,583.19/19,239,356.48 - Step 6: Final answer
x = 15,148,147.06
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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.