Finding the Fourth Proportional to 48,207,977.80, 72,312,555.30 and 14,130,013.12
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Solution
The fourth proportional to 48,207,977.80, 72,312,555.30 and 14,130,013.12 is: 21,195,192.20
Step by Step Solution
- Step 1: Write the proportion equation
48,207,977.80 : 72,312,555.30 = 14,130,013.12 : x - Step 2: Convert to fraction form
48,207,977.80/72,312,555.30 = 14,130,013.12/x - Step 3: Cross multiply
48,207,977.80x = 72,312,555.30 × 14,130,013.12 - Step 4: Simplify right side
48,207,977.80x = 1,021,777,355,129,725.38 - Step 5: Solve for x
x = 1,021,777,355,129,725.38/48,207,977.80 - Step 6: Final answer
x = 21,195,192.20
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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.