Finding the Fourth Proportional to 14,338,878.18, 21,508,297.62 and 6,658,323.18
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Solution
The fourth proportional to 14,338,878.18, 21,508,297.62 and 6,658,323.18 is: 9,987,475.65
Step by Step Solution
- Step 1: Write the proportion equation
14,338,878.18 : 21,508,297.62 = 6,658,323.18 : x - Step 2: Convert to fraction form
14,338,878.18/21,508,297.62 = 6,658,323.18/x - Step 3: Cross multiply
14,338,878.18x = 21,508,297.62 × 6,658,323.18 - Step 4: Simplify right side
14,338,878.18x = 143,209,196,605,584.84 - Step 5: Solve for x
x = 143,209,196,605,584.84/14,338,878.18 - Step 6: Final answer
x = 9,987,475.65
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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.