Finding the Fourth Proportional to 19,872,634.68, 29,808,949.59 and 6,409,462.68
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Solution
The fourth proportional to 19,872,634.68, 29,808,949.59 and 6,409,462.68 is: 9,614,193.24
Step by Step Solution
- Step 1: Write the proportion equation
19,872,634.68 : 29,808,949.59 = 6,409,462.68 : x - Step 2: Convert to fraction form
19,872,634.68/29,808,949.59 = 6,409,462.68/x - Step 3: Cross multiply
19,872,634.68x = 29,808,949.59 × 6,409,462.68 - Step 4: Simplify right side
19,872,634.68x = 191,059,349,927,106.28 - Step 5: Solve for x
x = 191,059,349,927,106.28/19,872,634.68 - Step 6: Final answer
x = 9,614,193.24
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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.