Finding the Fourth Proportional to 18,337,374.11, 27,506,974.84 and 6,978,703.07
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Solution
The fourth proportional to 18,337,374.11, 27,506,974.84 and 6,978,703.07 is: 10,468,402.32
Step by Step Solution
- Step 1: Write the proportion equation
18,337,374.11 : 27,506,974.84 = 6,978,703.07 : x - Step 2: Convert to fraction form
18,337,374.11/27,506,974.84 = 6,978,703.07/x - Step 3: Cross multiply
18,337,374.11x = 27,506,974.84 × 6,978,703.07 - Step 4: Simplify right side
18,337,374.11x = 191,963,009,607,339.12 - Step 5: Solve for x
x = 191,963,009,607,339.12/18,337,374.11 - Step 6: Final answer
x = 10,468,402.32
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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.