Finding the Fourth Proportional to 19,918,265.35, 29,829,500.75 and 11,372,700.55
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Solution
The fourth proportional to 19,918,265.35, 29,829,500.75 and 11,372,700.55 is: 17,031,702.99
Step by Step Solution
- Step 1: Write the proportion equation
19,918,265.35 : 29,829,500.75 = 11,372,700.55 : x - Step 2: Convert to fraction form
19,918,265.35/29,829,500.75 = 11,372,700.55/x - Step 3: Cross multiply
19,918,265.35x = 29,829,500.75 × 11,372,700.55 - Step 4: Simplify right side
19,918,265.35x = 339,241,979,528,886.94 - Step 5: Solve for x
x = 339,241,979,528,886.94/19,918,265.35 - Step 6: Final answer
x = 17,031,702.99
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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.