Finding the Fourth Proportional to 50,360,418.08, 69,497,380.32 and 28,630,386.08
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Solution
The fourth proportional to 50,360,418.08, 69,497,380.32 and 28,630,386.08 is: 39,509,934.71
Step by Step Solution
- Step 1: Write the proportion equation
50,360,418.08 : 69,497,380.32 = 28,630,386.08 : x - Step 2: Convert to fraction form
50,360,418.08/69,497,380.32 = 28,630,386.08/x - Step 3: Cross multiply
50,360,418.08x = 69,497,380.32 × 28,630,386.08 - Step 4: Simplify right side
50,360,418.08x = 1,989,736,830,110,193.50 - Step 5: Solve for x
x = 1,989,736,830,110,193.50/50,360,418.08 - Step 6: Final answer
x = 39,509,934.71
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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.