Finding the Fourth Proportional to 12,800,925.16, 19,199,237.82 and 4,281,248.68
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Solution
The fourth proportional to 12,800,925.16, 19,199,237.82 and 4,281,248.68 is: 6,421,153.98
Step by Step Solution
- Step 1: Write the proportion equation
12,800,925.16 : 19,199,237.82 = 4,281,248.68 : x - Step 2: Convert to fraction form
12,800,925.16/19,199,237.82 = 4,281,248.68/x - Step 3: Cross multiply
12,800,925.16x = 19,199,237.82 × 4,281,248.68 - Step 4: Simplify right side
12,800,925.16x = 82,196,711,573,881.08 - Step 5: Solve for x
x = 82,196,711,573,881.08/12,800,925.16 - Step 6: Final answer
x = 6,421,153.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.