Finding the Fourth Proportional to 38,444,935.80, 57,667,403.70 and 15,718,279.80
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Solution
The fourth proportional to 38,444,935.80, 57,667,403.70 and 15,718,279.80 is: 23,577,419.70
Step by Step Solution
- Step 1: Write the proportion equation
38,444,935.80 : 57,667,403.70 = 15,718,279.80 : x - Step 2: Convert to fraction form
38,444,935.80/57,667,403.70 = 15,718,279.80/x - Step 3: Cross multiply
38,444,935.80x = 57,667,403.70 × 15,718,279.80 - Step 4: Simplify right side
38,444,935.80x = 906,432,386,696,155.38 - Step 5: Solve for x
x = 906,432,386,696,155.38/38,444,935.80 - Step 6: Final answer
x = 23,577,419.70
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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.