Finding the Fourth Proportional to 13,307,854.41, 19,968,814.55 and 9,442,293.35
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Solution
The fourth proportional to 13,307,854.41, 19,968,814.55 and 9,442,293.35 is: 14,168,430.08
Step by Step Solution
- Step 1: Write the proportion equation
13,307,854.41 : 19,968,814.55 = 9,442,293.35 : x - Step 2: Convert to fraction form
13,307,854.41/19,968,814.55 = 9,442,293.35/x - Step 3: Cross multiply
13,307,854.41x = 19,968,814.55 × 9,442,293.35 - Step 4: Simplify right side
13,307,854.41x = 188,551,404,756,609.91 - Step 5: Solve for x
x = 188,551,404,756,609.91/13,307,854.41 - Step 6: Final answer
x = 14,168,430.08
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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.