Finding the Fourth Proportional to 11,566,973.79, 15,963,345.32 and 6,410,829.15
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Solution
The fourth proportional to 11,566,973.79, 15,963,345.32 and 6,410,829.15 is: 8,847,454.95
Step by Step Solution
- Step 1: Write the proportion equation
11,566,973.79 : 15,963,345.32 = 6,410,829.15 : x - Step 2: Convert to fraction form
11,566,973.79/15,963,345.32 = 6,410,829.15/x - Step 3: Cross multiply
11,566,973.79x = 15,963,345.32 × 6,410,829.15 - Step 4: Simplify right side
11,566,973.79x = 102,338,279,476,917.94 - Step 5: Solve for x
x = 102,338,279,476,917.94/11,566,973.79 - Step 6: Final answer
x = 8,847,454.95
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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.