Finding the Fourth Proportional to 7,216,743.24, 9,959,104.85 and 4,316,133.65
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Solution
The fourth proportional to 7,216,743.24, 9,959,104.85 and 4,316,133.65 is: 5,956,263.94
Step by Step Solution
- Step 1: Write the proportion equation
7,216,743.24 : 9,959,104.85 = 4,316,133.65 : x - Step 2: Convert to fraction form
7,216,743.24/9,959,104.85 = 4,316,133.65/x - Step 3: Cross multiply
7,216,743.24x = 9,959,104.85 × 4,316,133.65 - Step 4: Simplify right side
7,216,743.24x = 42,984,827,495,587.01 - Step 5: Solve for x
x = 42,984,827,495,587.01/7,216,743.24 - Step 6: Final answer
x = 5,956,263.94
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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.