Finding the Fourth Proportional to 29,280,242.69, 40,406,738.74 and 16,228,344.26
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Solution
The fourth proportional to 29,280,242.69, 40,406,738.74 and 16,228,344.26 is: 22,395,117.20
Step by Step Solution
- Step 1: Write the proportion equation
29,280,242.69 : 40,406,738.74 = 16,228,344.26 : x - Step 2: Convert to fraction form
29,280,242.69/40,406,738.74 = 16,228,344.26/x - Step 3: Cross multiply
29,280,242.69x = 40,406,738.74 × 16,228,344.26 - Step 4: Simplify right side
29,280,242.69x = 655,734,466,453,994.12 - Step 5: Solve for x
x = 655,734,466,453,994.12/29,280,242.69 - Step 6: Final answer
x = 22,395,117.20
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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.