Finding the Fourth Proportional to 14,456,740.50, 19,950,332.13 and 7,930,422.63
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Solution
The fourth proportional to 14,456,740.50, 19,950,332.13 and 7,930,422.63 is: 10,943,999.82
Step by Step Solution
- Step 1: Write the proportion equation
14,456,740.50 : 19,950,332.13 = 7,930,422.63 : x - Step 2: Convert to fraction form
14,456,740.50/19,950,332.13 = 7,930,422.63/x - Step 3: Cross multiply
14,456,740.50x = 19,950,332.13 × 7,930,422.63 - Step 4: Simplify right side
14,456,740.50x = 158,214,565,399,768.09 - Step 5: Solve for x
x = 158,214,565,399,768.09/14,456,740.50 - Step 6: Final answer
x = 10,943,999.82
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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.