Finding the Fourth Proportional to 19,593,645.23, 27,035,962.05 and 10,890,634.55
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Solution
The fourth proportional to 19,593,645.23, 27,035,962.05 and 10,890,634.55 is: 15,027,259.04
Step by Step Solution
- Step 1: Write the proportion equation
19,593,645.23 : 27,035,962.05 = 10,890,634.55 : x - Step 2: Convert to fraction form
19,593,645.23/27,035,962.05 = 10,890,634.55/x - Step 3: Cross multiply
19,593,645.23x = 27,035,962.05 × 10,890,634.55 - Step 4: Simplify right side
19,593,645.23x = 294,438,782,421,320.81 - Step 5: Solve for x
x = 294,438,782,421,320.81/19,593,645.23 - Step 6: Final answer
x = 15,027,259.04
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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.