Finding the Fourth Proportional to 47,859,935.14, 71,785,474.02 and 13,316,860.62
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Solution
The fourth proportional to 47,859,935.14, 71,785,474.02 and 13,316,860.62 is: 19,974,058.66
Step by Step Solution
- Step 1: Write the proportion equation
47,859,935.14 : 71,785,474.02 = 13,316,860.62 : x - Step 2: Convert to fraction form
47,859,935.14/71,785,474.02 = 13,316,860.62/x - Step 3: Cross multiply
47,859,935.14x = 71,785,474.02 × 13,316,860.62 - Step 4: Simplify right side
47,859,935.14x = 955,957,152,064,971 - Step 5: Solve for x
x = 955,957,152,064,971/47,859,935.14 - Step 6: Final answer
x = 19,974,058.66
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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.