Finding the Fourth Proportional to 7,657,307.13, 10,567,154.70 and 4,219,671.18
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Solution
The fourth proportional to 7,657,307.13, 10,567,154.70 and 4,219,671.18 is: 5,823,185.28
Step by Step Solution
- Step 1: Write the proportion equation
7,657,307.13 : 10,567,154.70 = 4,219,671.18 : x - Step 2: Convert to fraction form
7,657,307.13/10,567,154.70 = 4,219,671.18/x - Step 3: Cross multiply
7,657,307.13x = 10,567,154.70 × 4,219,671.18 - Step 4: Simplify right side
7,657,307.13x = 44,589,918,142,191.54 - Step 5: Solve for x
x = 44,589,918,142,191.54/7,657,307.13 - Step 6: Final answer
x = 5,823,185.28
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1.5x scale
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.