Finding the Fourth Proportional to 63,316,725.09, 87,431,612.08 and 39,834,402.48
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Solution
The fourth proportional to 63,316,725.09, 87,431,612.08 and 39,834,402.48 is: 55,005,782.76
Step by Step Solution
- Step 1: Write the proportion equation
63,316,725.09 : 87,431,612.08 = 39,834,402.48 : x - Step 2: Convert to fraction form
63,316,725.09/87,431,612.08 = 39,834,402.48/x - Step 3: Cross multiply
63,316,725.09x = 87,431,612.08 × 39,834,402.48 - Step 4: Simplify right side
63,316,725.09x = 3,482,786,025,069,949.50 - Step 5: Solve for x
x = 3,482,786,025,069,949.50/63,316,725.09 - Step 6: Final answer
x = 55,005,782.76
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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.