Finding the Fourth Proportional to 19,001,468.20, 26,221,323.62 and 10,299,453.98
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Solution
The fourth proportional to 19,001,468.20, 26,221,323.62 and 10,299,453.98 is: 14,212,865.72
Step by Step Solution
- Step 1: Write the proportion equation
19,001,468.20 : 26,221,323.62 = 10,299,453.98 : x - Step 2: Convert to fraction form
19,001,468.20/26,221,323.62 = 10,299,453.98/x - Step 3: Cross multiply
19,001,468.20x = 26,221,323.62 × 10,299,453.98 - Step 4: Simplify right side
19,001,468.20x = 270,065,315,918,877.03 - Step 5: Solve for x
x = 270,065,315,918,877.03/19,001,468.20 - Step 6: Final answer
x = 14,212,865.72
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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.