Finding the Fourth Proportional to 36,963,539.15, 55,445,403.56 and 15,103,919.20
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Solution
The fourth proportional to 36,963,539.15, 55,445,403.56 and 15,103,919.20 is: 22,655,917.55
Step by Step Solution
- Step 1: Write the proportion equation
36,963,539.15 : 55,445,403.56 = 15,103,919.20 : x - Step 2: Convert to fraction form
36,963,539.15/55,445,403.56 = 15,103,919.20/x - Step 3: Cross multiply
36,963,539.15x = 55,445,403.56 × 15,103,919.20 - Step 4: Simplify right side
36,963,539.15x = 837,442,895,349,471 - Step 5: Solve for x
x = 837,442,895,349,471/36,963,539.15 - Step 6: Final answer
x = 22,655,917.55
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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.