Finding the Fourth Proportional to 31,100,588.99, 42,927,348.55 and 18,052,051.68
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Solution
The fourth proportional to 31,100,588.99, 42,927,348.55 and 18,052,051.68 is: 24,916,785.82
Step by Step Solution
- Step 1: Write the proportion equation
31,100,588.99 : 42,927,348.55 = 18,052,051.68 : x - Step 2: Convert to fraction form
31,100,588.99/42,927,348.55 = 18,052,051.68/x - Step 3: Cross multiply
31,100,588.99x = 42,927,348.55 × 18,052,051.68 - Step 4: Simplify right side
31,100,588.99x = 774,926,714,509,973 - Step 5: Solve for x
x = 774,926,714,509,973/31,100,588.99 - Step 6: Final answer
x = 24,916,785.82
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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.