Finding the Fourth Proportional to 16,317,581.18, 22,518,686.74 and 8,975,603.48
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Solution
The fourth proportional to 16,317,581.18, 22,518,686.74 and 8,975,603.48 is: 12,386,566.42
Step by Step Solution
- Step 1: Write the proportion equation
16,317,581.18 : 22,518,686.74 = 8,975,603.48 : x - Step 2: Convert to fraction form
16,317,581.18/22,518,686.74 = 8,975,603.48/x - Step 3: Cross multiply
16,317,581.18x = 22,518,686.74 × 8,975,603.48 - Step 4: Simplify right side
16,317,581.18x = 202,118,803,068,573.84 - Step 5: Solve for x
x = 202,118,803,068,573.84/16,317,581.18 - Step 6: Final answer
x = 12,386,566.42
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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.