Finding the Fourth Proportional to 13,366,156.68, 18,445,314.42 and 7,254,585.48
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Solution
The fourth proportional to 13,366,156.68, 18,445,314.42 and 7,254,585.48 is: 10,011,337.84
Step by Step Solution
- Step 1: Write the proportion equation
13,366,156.68 : 18,445,314.42 = 7,254,585.48 : x - Step 2: Convert to fraction form
13,366,156.68/18,445,314.42 = 7,254,585.48/x - Step 3: Cross multiply
13,366,156.68x = 18,445,314.42 × 7,254,585.48 - Step 4: Simplify right side
13,366,156.68x = 133,813,110,165,366.64 - Step 5: Solve for x
x = 133,813,110,165,366.64/13,366,156.68 - Step 6: Final answer
x = 10,011,337.84
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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.