Finding the Fourth Proportional to 17,564,819.74, 24,238,930.64 and 9,724,681.41
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Solution
The fourth proportional to 17,564,819.74, 24,238,930.64 and 9,724,681.41 is: 13,419,772.11
Step by Step Solution
- Step 1: Write the proportion equation
17,564,819.74 : 24,238,930.64 = 9,724,681.41 : x - Step 2: Convert to fraction form
17,564,819.74/24,238,930.64 = 9,724,681.41/x - Step 3: Cross multiply
17,564,819.74x = 24,238,930.64 × 9,724,681.41 - Step 4: Simplify right side
17,564,819.74x = 235,715,878,053,568.03 - Step 5: Solve for x
x = 235,715,878,053,568.03/17,564,819.74 - Step 6: Final answer
x = 13,419,772.11
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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.