Finding the Fourth Proportional to 14,092,726.60, 19,446,774.90 and 7,813,421.48
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Solution
The fourth proportional to 14,092,726.60, 19,446,774.90 and 7,813,421.48 is: 10,781,863.09
Step by Step Solution
- Step 1: Write the proportion equation
14,092,726.60 : 19,446,774.90 = 7,813,421.48 : x - Step 2: Convert to fraction form
14,092,726.60/19,446,774.90 = 7,813,421.48/x - Step 3: Cross multiply
14,092,726.60x = 19,446,774.90 × 7,813,421.48 - Step 4: Simplify right side
14,092,726.60x = 151,945,848,720,384.84 - Step 5: Solve for x
x = 151,945,848,720,384.84/14,092,726.60 - Step 6: Final answer
x = 10,781,863.09
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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.