Finding the Fourth Proportional to 19,812,277.46, 29,721,369.08 and 7,031,711.90
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Solution
The fourth proportional to 19,812,277.46, 29,721,369.08 and 7,031,711.90 is: 10,548,615.88
Step by Step Solution
- Step 1: Write the proportion equation
19,812,277.46 : 29,721,369.08 = 7,031,711.90 : x - Step 2: Convert to fraction form
19,812,277.46/29,721,369.08 = 7,031,711.90/x - Step 3: Cross multiply
19,812,277.46x = 29,721,369.08 × 7,031,711.90 - Step 4: Simplify right side
19,812,277.46x = 208,992,104,736,010.75 - Step 5: Solve for x
x = 208,992,104,736,010.75/19,812,277.46 - Step 6: Final answer
x = 10,548,615.88
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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.