Finding the Fourth Proportional to 14,386,901.37, 19,853,689.28 and 7,860,390.36
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Solution
The fourth proportional to 14,386,901.37, 19,853,689.28 and 7,860,390.36 is: 10,847,210.51
Step by Step Solution
- Step 1: Write the proportion equation
14,386,901.37 : 19,853,689.28 = 7,860,390.36 : x - Step 2: Convert to fraction form
14,386,901.37/19,853,689.28 = 7,860,390.36/x - Step 3: Cross multiply
14,386,901.37x = 19,853,689.28 × 7,860,390.36 - Step 4: Simplify right side
14,386,901.37x = 156,057,747,713,194.03 - Step 5: Solve for x
x = 156,057,747,713,194.03/14,386,901.37 - Step 6: Final answer
x = 10,847,210.51
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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.