Finding the Fourth Proportional to 10,913,683.22, 15,058,293.47 and 6,203,709.04
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Solution
The fourth proportional to 10,913,683.22, 15,058,293.47 and 6,203,709.04 is: 8,559,646.59
Step by Step Solution
- Step 1: Write the proportion equation
10,913,683.22 : 15,058,293.47 = 6,203,709.04 : x - Step 2: Convert to fraction form
10,913,683.22/15,058,293.47 = 6,203,709.04/x - Step 3: Cross multiply
10,913,683.22x = 15,058,293.47 × 6,203,709.04 - Step 4: Simplify right side
10,913,683.22x = 93,417,271,326,811.97 - Step 5: Solve for x
x = 93,417,271,326,811.97/10,913,683.22 - Step 6: Final answer
x = 8,559,646.59
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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.