Finding the Fourth Proportional to 21,875,246.41, 32,819,879.37 and 15,316,787.00
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Solution
The fourth proportional to 21,875,246.41, 32,819,879.37 and 15,316,787.00 is: 22,980,088.65
Step by Step Solution
- Step 1: Write the proportion equation
21,875,246.41 : 32,819,879.37 = 15,316,787.00 : x - Step 2: Convert to fraction form
21,875,246.41/32,819,879.37 = 15,316,787.00/x - Step 3: Cross multiply
21,875,246.41x = 32,819,879.37 × 15,316,787.00 - Step 4: Simplify right side
21,875,246.41x = 502,695,101,786,223.06 - Step 5: Solve for x
x = 502,695,101,786,223.06/21,875,246.41 - Step 6: Final answer
x = 22,980,088.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.