Finding the Fourth Proportional to 19,610,921.28, 29,464,424.40 and 18,523,240.32
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Solution
The fourth proportional to 19,610,921.28, 29,464,424.40 and 18,523,240.32 is: 27,830,238.38
Step by Step Solution
- Step 1: Write the proportion equation
19,610,921.28 : 29,464,424.40 = 18,523,240.32 : x - Step 2: Convert to fraction form
19,610,921.28/29,464,424.40 = 18,523,240.32/x - Step 3: Cross multiply
19,610,921.28x = 29,464,424.40 × 18,523,240.32 - Step 4: Simplify right side
19,610,921.28x = 545,776,614,051,671.81 - Step 5: Solve for x
x = 545,776,614,051,671.81/19,610,921.28 - Step 6: Final answer
x = 27,830,238.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.