Finding the Fourth Proportional to 26,986,005.81, 37,241,568.18 and 14,762,862.81
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Solution
The fourth proportional to 26,986,005.81, 37,241,568.18 and 14,762,862.81 is: 20,373,232.18
Step by Step Solution
- Step 1: Write the proportion equation
26,986,005.81 : 37,241,568.18 = 14,762,862.81 : x - Step 2: Convert to fraction form
26,986,005.81/37,241,568.18 = 14,762,862.81/x - Step 3: Cross multiply
26,986,005.81x = 37,241,568.18 × 14,762,862.81 - Step 4: Simplify right side
26,986,005.81x = 549,792,161,870,601.38 - Step 5: Solve for x
x = 549,792,161,870,601.38/26,986,005.81 - Step 6: Final answer
x = 20,373,232.18
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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.