Finding the Fourth Proportional to 26,549,578.72, 39,828,567.12 and 9,509,874.40
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Solution
The fourth proportional to 26,549,578.72, 39,828,567.12 and 9,509,874.40 is: 14,266,315.67
Step by Step Solution
- Step 1: Write the proportion equation
26,549,578.72 : 39,828,567.12 = 9,509,874.40 : x - Step 2: Convert to fraction form
26,549,578.72/39,828,567.12 = 9,509,874.40/x - Step 3: Cross multiply
26,549,578.72x = 39,828,567.12 × 9,509,874.40 - Step 4: Simplify right side
26,549,578.72x = 378,764,670,843,169.69 - Step 5: Solve for x
x = 378,764,670,843,169.69/26,549,578.72 - Step 6: Final answer
x = 14,266,315.67
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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.