Finding the Fourth Proportional to 34,307,835.91, 47,344,813.80 and 18,837,920.55
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Solution
The fourth proportional to 34,307,835.91, 47,344,813.80 and 18,837,920.55 is: 25,996,330.49
Step by Step Solution
- Step 1: Write the proportion equation
34,307,835.91 : 47,344,813.80 = 18,837,920.55 : x - Step 2: Convert to fraction form
34,307,835.91/47,344,813.80 = 18,837,920.55/x - Step 3: Cross multiply
34,307,835.91x = 47,344,813.80 × 18,837,920.55 - Step 4: Simplify right side
34,307,835.91x = 891,877,840,818,943.62 - Step 5: Solve for x
x = 891,877,840,818,943.62/34,307,835.91 - Step 6: Final answer
x = 25,996,330.49
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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.