Finding the Fourth Proportional to 10,695,280.80, 14,761,374.12 and 6,346,764.81
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Solution
The fourth proportional to 10,695,280.80, 14,761,374.12 and 6,346,764.81 is: 8,759,654.99
Step by Step Solution
- Step 1: Write the proportion equation
10,695,280.80 : 14,761,374.12 = 6,346,764.81 : x - Step 2: Convert to fraction form
10,695,280.80/14,761,374.12 = 6,346,764.81/x - Step 3: Cross multiply
10,695,280.80x = 14,761,374.12 × 6,346,764.81 - Step 4: Simplify right side
10,695,280.80x = 93,686,969,812,060.70 - Step 5: Solve for x
x = 93,686,969,812,060.70/10,695,280.80 - Step 6: Final answer
x = 8,759,654.99
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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.