Finding the Fourth Proportional to 19,812,097.65, 29,721,098.94 and 7,031,532.09
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Solution
The fourth proportional to 19,812,097.65, 29,721,098.94 and 7,031,532.09 is: 10,548,346.00
Step by Step Solution
- Step 1: Write the proportion equation
19,812,097.65 : 29,721,098.94 = 7,031,532.09 : x - Step 2: Convert to fraction form
19,812,097.65/29,721,098.94 = 7,031,532.09/x - Step 3: Cross multiply
19,812,097.65x = 29,721,098.94 × 7,031,532.09 - Step 4: Simplify right side
19,812,097.65x = 208,984,860,946,675 - Step 5: Solve for x
x = 208,984,860,946,675/19,812,097.65 - Step 6: Final answer
x = 10,548,346.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.