Finding the Fourth Proportional to 8,509,875.58, 11,742,722.70 and 4,788,641.62
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Solution
The fourth proportional to 8,509,875.58, 11,742,722.70 and 4,788,641.62 is: 6,607,815.84
Step by Step Solution
- Step 1: Write the proportion equation
8,509,875.58 : 11,742,722.70 = 4,788,641.62 : x - Step 2: Convert to fraction form
8,509,875.58/11,742,722.70 = 4,788,641.62/x - Step 3: Cross multiply
8,509,875.58x = 11,742,722.70 × 4,788,641.62 - Step 4: Simplify right side
8,509,875.58x = 56,231,690,653,338.77 - Step 5: Solve for x
x = 56,231,690,653,338.77/8,509,875.58 - Step 6: Final answer
x = 6,607,815.84
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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.