Finding the Fourth Proportional to 8,765,428.98, 12,096,261.80 and 4,897,950.03
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Solution
The fourth proportional to 8,765,428.98, 12,096,261.80 and 4,897,950.03 is: 6,759,154.17
Step by Step Solution
- Step 1: Write the proportion equation
8,765,428.98 : 12,096,261.80 = 4,897,950.03 : x - Step 2: Convert to fraction form
8,765,428.98/12,096,261.80 = 4,897,950.03/x - Step 3: Cross multiply
8,765,428.98x = 12,096,261.80 × 4,897,950.03 - Step 4: Simplify right side
8,765,428.98x = 59,246,885,840,075.42 - Step 5: Solve for x
x = 59,246,885,840,075.42/8,765,428.98 - Step 6: Final answer
x = 6,759,154.17
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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.