Finding the Fourth Proportional to 39,292,881.35, 58,948,157.63 and 11,996,890.61
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Solution
The fourth proportional to 39,292,881.35, 58,948,157.63 and 11,996,890.61 is: 17,998,033.59
Step by Step Solution
- Step 1: Write the proportion equation
39,292,881.35 : 58,948,157.63 = 11,996,890.61 : x - Step 2: Convert to fraction form
39,292,881.35/58,948,157.63 = 11,996,890.61/x - Step 3: Cross multiply
39,292,881.35x = 58,948,157.63 × 11,996,890.61 - Step 4: Simplify right side
39,292,881.35x = 707,194,598,483,398.38 - Step 5: Solve for x
x = 707,194,598,483,398.38/39,292,881.35 - Step 6: Final answer
x = 17,998,033.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.