Finding the Fourth Proportional to 38,861,395.20, 58,329,417.60 and 19,713,772.80
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Solution
The fourth proportional to 38,861,395.20, 58,329,417.60 and 19,713,772.80 is: 29,589,593.48
Step by Step Solution
- Step 1: Write the proportion equation
38,861,395.20 : 58,329,417.60 = 19,713,772.80 : x - Step 2: Convert to fraction form
38,861,395.20/58,329,417.60 = 19,713,772.80/x - Step 3: Cross multiply
38,861,395.20x = 58,329,417.60 × 19,713,772.80 - Step 4: Simplify right side
38,861,395.20x = 1,149,892,886,122,721.25 - Step 5: Solve for x
x = 1,149,892,886,122,721.25/38,861,395.20 - Step 6: Final answer
x = 29,589,593.48
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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.