Finding the Fourth Proportional to 10,651,602.90, 15,977,404.35 and 8,950,991.70
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Solution
The fourth proportional to 10,651,602.90, 15,977,404.35 and 8,950,991.70 is: 13,426,487.55
Step by Step Solution
- Step 1: Write the proportion equation
10,651,602.90 : 15,977,404.35 = 8,950,991.70 : x - Step 2: Convert to fraction form
10,651,602.90/15,977,404.35 = 8,950,991.70/x - Step 3: Cross multiply
10,651,602.90x = 15,977,404.35 × 8,950,991.70 - Step 4: Simplify right side
10,651,602.90x = 143,013,613,724,393.88 - Step 5: Solve for x
x = 143,013,613,724,393.88/10,651,602.90 - Step 6: Final answer
x = 13,426,487.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.