Finding the Fourth Proportional to 26,356,658.63, 39,533,831.53 and 7,187,352.12
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Solution
The fourth proportional to 26,356,658.63, 39,533,831.53 and 7,187,352.12 is: 10,780,712.83
Step by Step Solution
- Step 1: Write the proportion equation
26,356,658.63 : 39,533,831.53 = 7,187,352.12 : x - Step 2: Convert to fraction form
26,356,658.63/39,533,831.53 = 7,187,352.12/x - Step 3: Cross multiply
26,356,658.63x = 39,533,831.53 × 7,187,352.12 - Step 4: Simplify right side
26,356,658.63x = 284,143,567,840,900 - Step 5: Solve for x
x = 284,143,567,840,900/26,356,658.63 - Step 6: Final answer
x = 10,780,712.83
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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.