Finding the Fourth Proportional to 10,363,507.49, 15,513,374.77 and 6,761,518.49
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Solution
The fourth proportional to 10,363,507.49, 15,513,374.77 and 6,761,518.49 is: 10,121,473.88
Step by Step Solution
- Step 1: Write the proportion equation
10,363,507.49 : 15,513,374.77 = 6,761,518.49 : x - Step 2: Convert to fraction form
10,363,507.49/15,513,374.77 = 6,761,518.49/x - Step 3: Cross multiply
10,363,507.49x = 15,513,374.77 × 6,761,518.49 - Step 4: Simplify right side
10,363,507.49x = 104,893,970,371,534.14 - Step 5: Solve for x
x = 104,893,970,371,534.14/10,363,507.49 - Step 6: Final answer
x = 10,121,473.88
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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.