Finding the Fourth Proportional to 7,963,177.58, 11,886,632.15 and 6,833,201.15
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Solution
The fourth proportional to 7,963,177.58, 11,886,632.15 and 6,833,201.15 is: 10,199,916.77
Step by Step Solution
- Step 1: Write the proportion equation
7,963,177.58 : 11,886,632.15 = 6,833,201.15 : x - Step 2: Convert to fraction form
7,963,177.58/11,886,632.15 = 6,833,201.15/x - Step 3: Cross multiply
7,963,177.58x = 11,886,632.15 × 6,833,201.15 - Step 4: Simplify right side
7,963,177.58x = 81,223,748,496,784.94 - Step 5: Solve for x
x = 81,223,748,496,784.94/7,963,177.58 - Step 6: Final answer
x = 10,199,916.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.