Finding the Fourth Proportional to 26,678,385.36, 36,816,595.20 and 14,918,973.84
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Solution
The fourth proportional to 26,678,385.36, 36,816,595.20 and 14,918,973.84 is: 20,588,420.67
Step by Step Solution
- Step 1: Write the proportion equation
26,678,385.36 : 36,816,595.20 = 14,918,973.84 : x - Step 2: Convert to fraction form
26,678,385.36/36,816,595.20 = 14,918,973.84/x - Step 3: Cross multiply
26,678,385.36x = 36,816,595.20 × 14,918,973.84 - Step 4: Simplify right side
26,678,385.36x = 549,265,820,666,669.62 - Step 5: Solve for x
x = 549,265,820,666,669.62/26,678,385.36 - Step 6: Final answer
x = 20,588,420.67
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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.