Finding the Fourth Proportional to 19,430,246.13, 26,813,869.29 and 10,609,758.65
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Solution
The fourth proportional to 19,430,246.13, 26,813,869.29 and 10,609,758.65 is: 14,641,537.72
Step by Step Solution
- Step 1: Write the proportion equation
19,430,246.13 : 26,813,869.29 = 10,609,758.65 : x - Step 2: Convert to fraction form
19,430,246.13/26,813,869.29 = 10,609,758.65/x - Step 3: Cross multiply
19,430,246.13x = 26,813,869.29 × 10,609,758.65 - Step 4: Simplify right side
19,430,246.13x = 284,488,681,519,463.44 - Step 5: Solve for x
x = 284,488,681,519,463.44/19,430,246.13 - Step 6: Final answer
x = 14,641,537.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.