Finding the Fourth Proportional to 27,927,024.48, 38,539,041.84 and 15,703,968.96
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Solution
The fourth proportional to 27,927,024.48, 38,539,041.84 and 15,703,968.96 is: 21,671,335.49
Step by Step Solution
- Step 1: Write the proportion equation
27,927,024.48 : 38,539,041.84 = 15,703,968.96 : x - Step 2: Convert to fraction form
27,927,024.48/38,539,041.84 = 15,703,968.96/x - Step 3: Cross multiply
27,927,024.48x = 38,539,041.84 × 15,703,968.96 - Step 4: Simplify right side
27,927,024.48x = 605,215,916,803,501.38 - Step 5: Solve for x
x = 605,215,916,803,501.38/27,927,024.48 - Step 6: Final answer
x = 21,671,335.49
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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.