Finding the Fourth Proportional to 11,395,501.71, 15,725,838.20 and 6,239,343.03
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Solution
The fourth proportional to 11,395,501.71, 15,725,838.20 and 6,239,343.03 is: 8,610,318.48
Step by Step Solution
- Step 1: Write the proportion equation
11,395,501.71 : 15,725,838.20 = 6,239,343.03 : x - Step 2: Convert to fraction form
11,395,501.71/15,725,838.20 = 6,239,343.03/x - Step 3: Cross multiply
11,395,501.71x = 15,725,838.20 × 6,239,343.03 - Step 4: Simplify right side
11,395,501.71x = 98,118,898,932,881.03 - Step 5: Solve for x
x = 98,118,898,932,881.03/11,395,501.71 - Step 6: Final answer
x = 8,610,318.48
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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.