Finding the Fourth Proportional to 7,636,851.68, 11,462,476.35 and 2,783,848.91
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Solution
The fourth proportional to 7,636,851.68, 11,462,476.35 and 2,783,848.91 is: 4,178,397.54
Step by Step Solution
- Step 1: Write the proportion equation
7,636,851.68 : 11,462,476.35 = 2,783,848.91 : x - Step 2: Convert to fraction form
7,636,851.68/11,462,476.35 = 2,783,848.91/x - Step 3: Cross multiply
7,636,851.68x = 11,462,476.35 × 2,783,848.91 - Step 4: Simplify right side
7,636,851.68x = 31,909,802,288,959.61 - Step 5: Solve for x
x = 31,909,802,288,959.61/7,636,851.68 - Step 6: Final answer
x = 4,178,397.54
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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.