Finding the Fourth Proportional to 40,828,840.80, 61,243,261.20 and 29,349,715.20
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Solution
The fourth proportional to 40,828,840.80, 61,243,261.20 and 29,349,715.20 is: 44,024,572.80
Step by Step Solution
- Step 1: Write the proportion equation
40,828,840.80 : 61,243,261.20 = 29,349,715.20 : x - Step 2: Convert to fraction form
40,828,840.80/61,243,261.20 = 29,349,715.20/x - Step 3: Cross multiply
40,828,840.80x = 61,243,261.20 × 29,349,715.20 - Step 4: Simplify right side
40,828,840.80x = 1,797,472,274,139,210.25 - Step 5: Solve for x
x = 1,797,472,274,139,210.25/40,828,840.80 - Step 6: Final answer
x = 44,024,572.80
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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.