Finding the Fourth Proportional to 26,630,810.24, 39,910,901.28 and 13,676,437.65
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Solution
The fourth proportional to 26,630,810.24, 39,910,901.28 and 13,676,437.65 is: 20,496,520.69
Step by Step Solution
- Step 1: Write the proportion equation
26,630,810.24 : 39,910,901.28 = 13,676,437.65 : x - Step 2: Convert to fraction form
26,630,810.24/39,910,901.28 = 13,676,437.65/x - Step 3: Cross multiply
26,630,810.24x = 39,910,901.28 × 13,676,437.65 - Step 4: Simplify right side
26,630,810.24x = 545,838,952,911,225.25 - Step 5: Solve for x
x = 545,838,952,911,225.25/26,630,810.24 - Step 6: Final answer
x = 20,496,520.69
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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.