Finding the Fourth Proportional to 13,193,860.29, 19,773,554.41 and 7,357,813.13
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Solution
The fourth proportional to 13,193,860.29, 19,773,554.41 and 7,357,813.13 is: 11,027,107.69
Step by Step Solution
- Step 1: Write the proportion equation
13,193,860.29 : 19,773,554.41 = 7,357,813.13 : x - Step 2: Convert to fraction form
13,193,860.29/19,773,554.41 = 7,357,813.13/x - Step 3: Cross multiply
13,193,860.29x = 19,773,554.41 × 7,357,813.13 - Step 4: Simplify right side
13,193,860.29x = 145,490,118,264,667.41 - Step 5: Solve for x
x = 145,490,118,264,667.41/13,193,860.29 - Step 6: Final answer
x = 11,027,107.69
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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.