Finding the Fourth Proportional to 19,516,844.68, 26,933,406.12 and 10,815,162.61
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Solution
The fourth proportional to 19,516,844.68, 26,933,406.12 and 10,815,162.61 is: 14,925,013.32
Step by Step Solution
- Step 1: Write the proportion equation
19,516,844.68 : 26,933,406.12 = 10,815,162.61 : x - Step 2: Convert to fraction form
19,516,844.68/26,933,406.12 = 10,815,162.61/x - Step 3: Cross multiply
19,516,844.68x = 26,933,406.12 × 10,815,162.61 - Step 4: Simplify right side
19,516,844.68x = 291,289,166,828,969.19 - Step 5: Solve for x
x = 291,289,166,828,969.19/19,516,844.68 - Step 6: Final answer
x = 14,925,013.32
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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.