Finding the Fourth Proportional to 14,272,803.35, 19,696,488.06 and 7,746,432.88
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Solution
The fourth proportional to 14,272,803.35, 19,696,488.06 and 7,746,432.88 is: 10,690,087.92
Step by Step Solution
- Step 1: Write the proportion equation
14,272,803.35 : 19,696,488.06 = 7,746,432.88 : x - Step 2: Convert to fraction form
14,272,803.35/19,696,488.06 = 7,746,432.88/x - Step 3: Cross multiply
14,272,803.35x = 19,696,488.06 × 7,746,432.88 - Step 4: Simplify right side
14,272,803.35x = 152,577,522,630,028.97 - Step 5: Solve for x
x = 152,577,522,630,028.97/14,272,803.35 - Step 6: Final answer
x = 10,690,087.92
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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.