Finding the Fourth Proportional to 19,137,916.68, 26,410,962.72 and 10,436,565.36
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Solution
The fourth proportional to 19,137,916.68, 26,410,962.72 and 10,436,565.36 is: 14,402,807.96
Step by Step Solution
- Step 1: Write the proportion equation
19,137,916.68 : 26,410,962.72 = 10,436,565.36 : x - Step 2: Convert to fraction form
19,137,916.68/26,410,962.72 = 10,436,565.36/x - Step 3: Cross multiply
19,137,916.68x = 26,410,962.72 × 10,436,565.36 - Step 4: Simplify right side
19,137,916.68x = 275,639,738,647,803.34 - Step 5: Solve for x
x = 275,639,738,647,803.34/19,137,916.68 - Step 6: Final answer
x = 14,402,807.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.