Finding the Fourth Proportional to 34,684,719.53, 47,867,852.27 and 19,219,655.21
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Solution
The fourth proportional to 34,684,719.53, 47,867,852.27 and 19,219,655.21 is: 26,524,752.94
Step by Step Solution
- Step 1: Write the proportion equation
34,684,719.53 : 47,867,852.27 = 19,219,655.21 : x - Step 2: Convert to fraction form
34,684,719.53/47,867,852.27 = 19,219,655.21/x - Step 3: Cross multiply
34,684,719.53x = 47,867,852.27 × 19,219,655.21 - Step 4: Simplify right side
34,684,719.53x = 920,003,616,081,325.62 - Step 5: Solve for x
x = 920,003,616,081,325.62/34,684,719.53 - Step 6: Final answer
x = 26,524,752.94
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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.