Finding the Fourth Proportional to 13,667,646.56, 18,861,386.16 and 7,473,092.99
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Solution
The fourth proportional to 13,667,646.56, 18,861,386.16 and 7,473,092.99 is: 10,312,886.86
Step by Step Solution
- Step 1: Write the proportion equation
13,667,646.56 : 18,861,386.16 = 7,473,092.99 : x - Step 2: Convert to fraction form
13,667,646.56/18,861,386.16 = 7,473,092.99/x - Step 3: Cross multiply
13,667,646.56x = 18,861,386.16 × 7,473,092.99 - Step 4: Simplify right side
13,667,646.56x = 140,952,892,599,672.09 - Step 5: Solve for x
x = 140,952,892,599,672.09/13,667,646.56 - Step 6: Final answer
x = 10,312,886.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.