Finding the Fourth Proportional to 13,849,765.10, 19,113,664.80 and 7,654,678.68
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Solution
The fourth proportional to 13,849,765.10, 19,113,664.80 and 7,654,678.68 is: 10,564,003.17
Step by Step Solution
- Step 1: Write the proportion equation
13,849,765.10 : 19,113,664.80 = 7,654,678.68 : x - Step 2: Convert to fraction form
13,849,765.10/19,113,664.80 = 7,654,678.68/x - Step 3: Cross multiply
13,849,765.10x = 19,113,664.80 × 7,654,678.68 - Step 4: Simplify right side
13,849,765.10x = 146,308,962,307,384.75 - Step 5: Solve for x
x = 146,308,962,307,384.75/13,849,765.10 - Step 6: Final answer
x = 10,564,003.17
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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.