Finding the Fourth Proportional to 10,963,204.29, 15,128,880.84 and 6,316,998.93
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Solution
The fourth proportional to 10,963,204.29, 15,128,880.84 and 6,316,998.93 is: 8,717,261.99
Step by Step Solution
- Step 1: Write the proportion equation
10,963,204.29 : 15,128,880.84 = 6,316,998.93 : x - Step 2: Convert to fraction form
10,963,204.29/15,128,880.84 = 6,316,998.93/x - Step 3: Cross multiply
10,963,204.29x = 15,128,880.84 × 6,316,998.93 - Step 4: Simplify right side
10,963,204.29x = 95,569,124,078,377.50 - Step 5: Solve for x
x = 95,569,124,078,377.50/10,963,204.29 - Step 6: Final answer
x = 8,717,261.99
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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.