Finding the Fourth Proportional to 16,487,774.07, 22,752,689.19 and 9,518,216.40
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Solution
The fourth proportional to 16,487,774.07, 22,752,689.19 and 9,518,216.40 is: 13,134,885.19
Step by Step Solution
- Step 1: Write the proportion equation
16,487,774.07 : 22,752,689.19 = 9,518,216.40 : x - Step 2: Convert to fraction form
16,487,774.07/22,752,689.19 = 9,518,216.40/x - Step 3: Cross multiply
16,487,774.07x = 22,752,689.19 × 9,518,216.40 - Step 4: Simplify right side
16,487,774.07x = 216,565,019,392,360.75 - Step 5: Solve for x
x = 216,565,019,392,360.75/16,487,774.07 - Step 6: Final answer
x = 13,134,885.19
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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.