Finding the Fourth Proportional to 6,817,746.98, 10,226,632.10 and 5,460,155.12
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Solution
The fourth proportional to 6,817,746.98, 10,226,632.10 and 5,460,155.12 is: 8,190,241.99
Step by Step Solution
- Step 1: Write the proportion equation
6,817,746.98 : 10,226,632.10 = 5,460,155.12 : x - Step 2: Convert to fraction form
6,817,746.98/10,226,632.10 = 5,460,155.12/x - Step 3: Cross multiply
6,817,746.98x = 10,226,632.10 × 5,460,155.12 - Step 4: Simplify right side
6,817,746.98x = 55,838,997,619,437.16 - Step 5: Solve for x
x = 55,838,997,619,437.16/6,817,746.98 - Step 6: Final answer
x = 8,190,241.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.