Finding the Fourth Proportional to 19,418,090.96, 29,131,878.72 and 6,464,216.58
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Solution
The fourth proportional to 19,418,090.96, 29,131,878.72 and 6,464,216.58 is: 9,697,903.56
Step by Step Solution
- Step 1: Write the proportion equation
19,418,090.96 : 29,131,878.72 = 6,464,216.58 : x - Step 2: Convert to fraction form
19,418,090.96/29,131,878.72 = 6,464,216.58/x - Step 3: Cross multiply
19,418,090.96x = 29,131,878.72 × 6,464,216.58 - Step 4: Simplify right side
19,418,090.96x = 188,314,773,428,373.19 - Step 5: Solve for x
x = 188,314,773,428,373.19/19,418,090.96 - Step 6: Final answer
x = 9,697,903.56
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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.