Finding the Fourth Proportional to 19,165,358.12, 26,444,152.28 and 12,193,518.02
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Solution
The fourth proportional to 19,165,358.12, 26,444,152.28 and 12,193,518.02 is: 16,824,483.28
Step by Step Solution
- Step 1: Write the proportion equation
19,165,358.12 : 26,444,152.28 = 12,193,518.02 : x - Step 2: Convert to fraction form
19,165,358.12/26,444,152.28 = 12,193,518.02/x - Step 3: Cross multiply
19,165,358.12x = 26,444,152.28 × 12,193,518.02 - Step 4: Simplify right side
19,165,358.12x = 322,447,247,248,067.12 - Step 5: Solve for x
x = 322,447,247,248,067.12/19,165,358.12 - Step 6: Final answer
x = 16,824,483.28
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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.