Finding the Fourth Proportional to 12,618,347.04, 17,413,327.08 and 6,817,125.42
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Solution
The fourth proportional to 12,618,347.04, 17,413,327.08 and 6,817,125.42 is: 9,407,637.49
Step by Step Solution
- Step 1: Write the proportion equation
12,618,347.04 : 17,413,327.08 = 6,817,125.42 : x - Step 2: Convert to fraction form
12,618,347.04/17,413,327.08 = 6,817,125.42/x - Step 3: Cross multiply
12,618,347.04x = 17,413,327.08 × 6,817,125.42 - Step 4: Simplify right side
12,618,347.04x = 118,708,834,683,842.36 - Step 5: Solve for x
x = 118,708,834,683,842.36/12,618,347.04 - Step 6: Final answer
x = 9,407,637.49
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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.