Finding the Fourth Proportional to 18,337,373.55, 27,506,973.99 and 6,978,702.51
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Solution
The fourth proportional to 18,337,373.55, 27,506,973.99 and 6,978,702.51 is: 10,468,401.48
Step by Step Solution
- Step 1: Write the proportion equation
18,337,373.55 : 27,506,973.99 = 6,978,702.51 : x - Step 2: Convert to fraction form
18,337,373.55/27,506,973.99 = 6,978,702.51/x - Step 3: Cross multiply
18,337,373.55x = 27,506,973.99 × 6,978,702.51 - Step 4: Simplify right side
18,337,373.55x = 191,962,988,426,517.69 - Step 5: Solve for x
x = 191,962,988,426,517.69/18,337,373.55 - Step 6: Final answer
x = 10,468,401.48
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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.