Finding the Fourth Proportional to 25,488,607.08, 38,244,867.84 and 12,710,108.28
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Solution
The fourth proportional to 25,488,607.08, 38,244,867.84 and 12,710,108.28 is: 19,071,124.99
Step by Step Solution
- Step 1: Write the proportion equation
25,488,607.08 : 38,244,867.84 = 12,710,108.28 : x - Step 2: Convert to fraction form
25,488,607.08/38,244,867.84 = 12,710,108.28/x - Step 3: Cross multiply
25,488,607.08x = 38,244,867.84 × 12,710,108.28 - Step 4: Simplify right side
25,488,607.08x = 486,096,411,400,689.75 - Step 5: Solve for x
x = 486,096,411,400,689.75/25,488,607.08 - Step 6: Final answer
x = 19,071,124.99
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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.