Finding the Fourth Proportional to 19,534,955.96, 29,298,443.58 and 7,400,235.80
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Solution
The fourth proportional to 19,534,955.96, 29,298,443.58 and 7,400,235.80 is: 11,098,842.07
Step by Step Solution
- Step 1: Write the proportion equation
19,534,955.96 : 29,298,443.58 = 7,400,235.80 : x - Step 2: Convert to fraction form
19,534,955.96/29,298,443.58 = 7,400,235.80/x - Step 3: Cross multiply
19,534,955.96x = 29,298,443.58 × 7,400,235.80 - Step 4: Simplify right side
19,534,955.96x = 216,815,391,064,996.16 - Step 5: Solve for x
x = 216,815,391,064,996.16/19,534,955.96 - Step 6: Final answer
x = 11,098,842.07
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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.