Finding the Fourth Proportional to 7,214,928.68, 9,956,607.06 and 3,907,248.68
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Solution
The fourth proportional to 7,214,928.68, 9,956,607.06 and 3,907,248.68 is: 5,392,006.15
Step by Step Solution
- Step 1: Write the proportion equation
7,214,928.68 : 9,956,607.06 = 3,907,248.68 : x - Step 2: Convert to fraction form
7,214,928.68/9,956,607.06 = 3,907,248.68/x - Step 3: Cross multiply
7,214,928.68x = 9,956,607.06 × 3,907,248.68 - Step 4: Simplify right side
7,214,928.68x = 38,902,939,792,463.69 - Step 5: Solve for x
x = 38,902,939,792,463.69/7,214,928.68 - Step 6: Final answer
x = 5,392,006.15
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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.