Finding the Fourth Proportional to 10,926,769.84, 15,078,547.14 and 6,031,886.80
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Solution
The fourth proportional to 10,926,769.84, 15,078,547.14 and 6,031,886.80 is: 8,323,785.60
Step by Step Solution
- Step 1: Write the proportion equation
10,926,769.84 : 15,078,547.14 = 6,031,886.80 : x - Step 2: Convert to fraction form
10,926,769.84/15,078,547.14 = 6,031,886.80/x - Step 3: Cross multiply
10,926,769.84x = 15,078,547.14 × 6,031,886.80 - Step 4: Simplify right side
10,926,769.84x = 90,952,089,456,943.75 - Step 5: Solve for x
x = 90,952,089,456,943.75/10,926,769.84 - Step 6: Final answer
x = 8,323,785.60
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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.