Finding the Fourth Proportional to 18,337,386.98, 27,506,994.24 and 6,978,715.94
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Solution
The fourth proportional to 18,337,386.98, 27,506,994.24 and 6,978,715.94 is: 10,468,421.67
Step by Step Solution
- Step 1: Write the proportion equation
18,337,386.98 : 27,506,994.24 = 6,978,715.94 : x - Step 2: Convert to fraction form
18,337,386.98/27,506,994.24 = 6,978,715.94/x - Step 3: Cross multiply
18,337,386.98x = 27,506,994.24 × 6,978,715.94 - Step 4: Simplify right side
18,337,386.98x = 191,963,499,164,176.19 - Step 5: Solve for x
x = 191,963,499,164,176.19/18,337,386.98 - Step 6: Final answer
x = 10,468,421.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.