Finding the Fourth Proportional to 19,918,260.60, 29,829,493.56 and 11,372,695.80
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Solution
The fourth proportional to 19,918,260.60, 29,829,493.56 and 11,372,695.80 is: 17,031,695.84
Step by Step Solution
- Step 1: Write the proportion equation
19,918,260.60 : 29,829,493.56 = 11,372,695.80 : x - Step 2: Convert to fraction form
19,918,260.60/29,829,493.56 = 11,372,695.80/x - Step 3: Cross multiply
19,918,260.60x = 29,829,493.56 × 11,372,695.80 - Step 4: Simplify right side
19,918,260.60x = 339,241,756,125,939.06 - Step 5: Solve for x
x = 339,241,756,125,939.06/19,918,260.60 - Step 6: Final answer
x = 17,031,695.84
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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.