Finding the Fourth Proportional to 38,725,866.58, 58,052,714.34 and 13,149,387.58
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Solution
The fourth proportional to 38,725,866.58, 58,052,714.34 and 13,149,387.58 is: 19,711,828.51
Step by Step Solution
- Step 1: Write the proportion equation
38,725,866.58 : 58,052,714.34 = 13,149,387.58 : x - Step 2: Convert to fraction form
38,725,866.58/58,052,714.34 = 13,149,387.58/x - Step 3: Cross multiply
38,725,866.58x = 58,052,714.34 × 13,149,387.58 - Step 4: Simplify right side
38,725,866.58x = 763,357,640,927,684 - Step 5: Solve for x
x = 763,357,640,927,684/38,725,866.58 - Step 6: Final answer
x = 19,711,828.51
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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.