Finding the Fourth Proportional to 15,041,761.74, 20,758,915.80 and 8,516,541.06
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Solution
The fourth proportional to 15,041,761.74, 20,758,915.80 and 8,516,541.06 is: 11,753,553.99
Step by Step Solution
- Step 1: Write the proportion equation
15,041,761.74 : 20,758,915.80 = 8,516,541.06 : x - Step 2: Convert to fraction form
15,041,761.74/20,758,915.80 = 8,516,541.06/x - Step 3: Cross multiply
15,041,761.74x = 20,758,915.80 × 8,516,541.06 - Step 4: Simplify right side
15,041,761.74x = 176,794,158,771,782.75 - Step 5: Solve for x
x = 176,794,158,771,782.75/15,041,761.74 - Step 6: Final answer
x = 11,753,553.99
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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.