Finding the Fourth Proportional to 26,181,927.08, 39,210,672.65 and 13,187,198.18
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Solution
The fourth proportional to 26,181,927.08, 39,210,672.65 and 13,187,198.18 is: 19,749,459.59
Step by Step Solution
- Step 1: Write the proportion equation
26,181,927.08 : 39,210,672.65 = 13,187,198.18 : x - Step 2: Convert to fraction form
26,181,927.08/39,210,672.65 = 13,187,198.18/x - Step 3: Cross multiply
26,181,927.08x = 39,210,672.65 × 13,187,198.18 - Step 4: Simplify right side
26,181,927.08x = 517,078,910,744,666.50 - Step 5: Solve for x
x = 517,078,910,744,666.50/26,181,927.08 - Step 6: Final answer
x = 19,749,459.59
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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.