Finding the Fourth Proportional to 14,355,830.40, 19,817,679.96 and 8,850,189.12
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Solution
The fourth proportional to 14,355,830.40, 19,817,679.96 and 8,850,189.12 is: 12,217,350.77
Step by Step Solution
- Step 1: Write the proportion equation
14,355,830.40 : 19,817,679.96 = 8,850,189.12 : x - Step 2: Convert to fraction form
14,355,830.40/19,817,679.96 = 8,850,189.12/x - Step 3: Cross multiply
14,355,830.40x = 19,817,679.96 × 8,850,189.12 - Step 4: Simplify right side
14,355,830.40x = 175,390,215,565,634.03 - Step 5: Solve for x
x = 175,390,215,565,634.03/14,355,830.40 - Step 6: Final answer
x = 12,217,350.77
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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.