Finding the Fourth Proportional to 23,158,156.24, 31,937,335.32 and 14,457,129.76
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Solution
The fourth proportional to 23,158,156.24, 31,937,335.32 and 14,457,129.76 is: 19,937,778.99
Step by Step Solution
- Step 1: Write the proportion equation
23,158,156.24 : 31,937,335.32 = 14,457,129.76 : x - Step 2: Convert to fraction form
23,158,156.24/31,937,335.32 = 14,457,129.76/x - Step 3: Cross multiply
23,158,156.24x = 31,937,335.32 × 14,457,129.76 - Step 4: Simplify right side
23,158,156.24x = 461,722,200,909,871.12 - Step 5: Solve for x
x = 461,722,200,909,871.12/23,158,156.24 - Step 6: Final answer
x = 19,937,778.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.