Finding the Fourth Proportional to 8,438,209.55, 11,644,718.18 and 4,570,746.09
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Solution
The fourth proportional to 8,438,209.55, 11,644,718.18 and 4,570,746.09 is: 6,307,623.65
Step by Step Solution
- Step 1: Write the proportion equation
8,438,209.55 : 11,644,718.18 = 4,570,746.09 : x - Step 2: Convert to fraction form
8,438,209.55/11,644,718.18 = 4,570,746.09/x - Step 3: Cross multiply
8,438,209.55x = 11,644,718.18 × 4,570,746.09 - Step 4: Simplify right side
8,438,209.55x = 53,225,050,090,386.91 - Step 5: Solve for x
x = 53,225,050,090,386.91/8,438,209.55 - Step 6: Final answer
x = 6,307,623.65
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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.