Finding the Fourth Proportional to 15,316,226.01, 21,136,392.17 and 8,440,708.07
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Solution
The fourth proportional to 15,316,226.01, 21,136,392.17 and 8,440,708.07 is: 11,648,177.28
Step by Step Solution
- Step 1: Write the proportion equation
15,316,226.01 : 21,136,392.17 = 8,440,708.07 : x - Step 2: Convert to fraction form
15,316,226.01/21,136,392.17 = 8,440,708.07/x - Step 3: Cross multiply
15,316,226.01x = 21,136,392.17 × 8,440,708.07 - Step 4: Simplify right side
15,316,226.01x = 178,406,115,812,118.28 - Step 5: Solve for x
x = 178,406,115,812,118.28/15,316,226.01 - Step 6: Final answer
x = 11,648,177.28
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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.