Finding the Fourth Proportional to 8,805,641.60, 12,146,623.68 and 5,537,271.68
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Solution
The fourth proportional to 8,805,641.60, 12,146,623.68 and 5,537,271.68 is: 7,638,189.06
Step by Step Solution
- Step 1: Write the proportion equation
8,805,641.60 : 12,146,623.68 = 5,537,271.68 : x - Step 2: Convert to fraction form
8,805,641.60/12,146,623.68 = 5,537,271.68/x - Step 3: Cross multiply
8,805,641.60x = 12,146,623.68 × 5,537,271.68 - Step 4: Simplify right side
8,805,641.60x = 67,259,155,310,881.38 - Step 5: Solve for x
x = 67,259,155,310,881.38/8,805,641.60 - Step 6: Final answer
x = 7,638,189.06
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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.