Finding the Fourth Proportional to 20,948,642.04, 31,427,485.91 and 6,376,701.02
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Solution
The fourth proportional to 20,948,642.04, 31,427,485.91 and 6,376,701.02 is: 9,566,428.27
Step by Step Solution
- Step 1: Write the proportion equation
20,948,642.04 : 31,427,485.91 = 6,376,701.02 : x - Step 2: Convert to fraction form
20,948,642.04/31,427,485.91 = 6,376,701.02/x - Step 3: Cross multiply
20,948,642.04x = 31,427,485.91 × 6,376,701.02 - Step 4: Simplify right side
20,948,642.04x = 200,403,681,426,449.12 - Step 5: Solve for x
x = 200,403,681,426,449.12/20,948,642.04 - Step 6: Final answer
x = 9,566,428.27
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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.