Finding the Fourth Proportional to 7,838,991.36, 10,817,442.48 and 4,354,555.98
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Solution
The fourth proportional to 7,838,991.36, 10,817,442.48 and 4,354,555.98 is: 6,009,084.16
Step by Step Solution
- Step 1: Write the proportion equation
7,838,991.36 : 10,817,442.48 = 4,354,555.98 : x - Step 2: Convert to fraction form
7,838,991.36/10,817,442.48 = 4,354,555.98/x - Step 3: Cross multiply
7,838,991.36x = 10,817,442.48 × 4,354,555.98 - Step 4: Simplify right side
7,838,991.36x = 47,105,158,839,590.04 - Step 5: Solve for x
x = 47,105,158,839,590.04/7,838,991.36 - Step 6: Final answer
x = 6,009,084.16
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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.