Finding the Fourth Proportional to 42,207,862.66, 62,956,925.95 and 38,333,067.28
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Solution
The fourth proportional to 42,207,862.66, 62,956,925.95 and 38,333,067.28 is: 57,177,310.72
Step by Step Solution
- Step 1: Write the proportion equation
42,207,862.66 : 62,956,925.95 = 38,333,067.28 : x - Step 2: Convert to fraction form
42,207,862.66/62,956,925.95 = 38,333,067.28/x - Step 3: Cross multiply
42,207,862.66x = 62,956,925.95 × 38,333,067.28 - Step 4: Simplify right side
42,207,862.66x = 2,413,332,078,183,328 - Step 5: Solve for x
x = 2,413,332,078,183,328/42,207,862.66 - Step 6: Final answer
x = 57,177,310.72
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.