Finding the Fourth Proportional to 14,985,346.56, 20,679,777.99 and 8,109,828.63
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Solution
The fourth proportional to 14,985,346.56, 20,679,777.99 and 8,109,828.63 is: 11,191,563.37
Step by Step Solution
- Step 1: Write the proportion equation
14,985,346.56 : 20,679,777.99 = 8,109,828.63 : x - Step 2: Convert to fraction form
14,985,346.56/20,679,777.99 = 8,109,828.63/x - Step 3: Cross multiply
14,985,346.56x = 20,679,777.99 × 8,109,828.63 - Step 4: Simplify right side
14,985,346.56x = 167,709,455,605,345.84 - Step 5: Solve for x
x = 167,709,455,605,345.84/14,985,346.56 - Step 6: Final answer
x = 11,191,563.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.