Finding the Fourth Proportional to 7,623,259.86, 10,518,726.24 and 4,315,531.80
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Solution
The fourth proportional to 7,623,259.86, 10,518,726.24 and 4,315,531.80 is: 5,954,656.99
Step by Step Solution
- Step 1: Write the proportion equation
7,623,259.86 : 10,518,726.24 = 4,315,531.80 : x - Step 2: Convert to fraction form
7,623,259.86/10,518,726.24 = 4,315,531.80/x - Step 3: Cross multiply
7,623,259.86x = 10,518,726.24 × 4,315,531.80 - Step 4: Simplify right side
7,623,259.86x = 45,393,897,584,214.43 - Step 5: Solve for x
x = 45,393,897,584,214.43/7,623,259.86 - Step 6: Final answer
x = 5,954,656.99
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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.