Finding the Fourth Proportional to 7,243,801.10, 10,865,701.65 and 4,374,019.70
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Solution
The fourth proportional to 7,243,801.10, 10,865,701.65 and 4,374,019.70 is: 6,561,029.55
Step by Step Solution
- Step 1: Write the proportion equation
7,243,801.10 : 10,865,701.65 = 4,374,019.70 : x - Step 2: Convert to fraction form
7,243,801.10/10,865,701.65 = 4,374,019.70/x - Step 3: Cross multiply
7,243,801.10x = 10,865,701.65 × 4,374,019.70 - Step 4: Simplify right side
7,243,801.10x = 47,526,793,071,422.51 - Step 5: Solve for x
x = 47,526,793,071,422.51/7,243,801.10 - Step 6: Final answer
x = 6,561,029.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.