Finding the Fourth Proportional to 36,000,746.48, 49,681,161.88 and 19,480,871.28
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Solution
The fourth proportional to 36,000,746.48, 49,681,161.88 and 19,480,871.28 is: 26,883,673.65
Step by Step Solution
- Step 1: Write the proportion equation
36,000,746.48 : 49,681,161.88 = 19,480,871.28 : x - Step 2: Convert to fraction form
36,000,746.48/49,681,161.88 = 19,480,871.28/x - Step 3: Cross multiply
36,000,746.48x = 49,681,161.88 × 19,480,871.28 - Step 4: Simplify right side
36,000,746.48x = 967,832,319,625,122.88 - Step 5: Solve for x
x = 967,832,319,625,122.88/36,000,746.48 - Step 6: Final answer
x = 26,883,673.65
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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.