Finding the Fourth Proportional to 10,968,643.84, 15,134,926.08 and 6,891,376
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Solution
The fourth proportional to 10,968,643.84, 15,134,926.08 and 6,891,376 is: 9,508,966.46
Step by Step Solution
- Step 1: Write the proportion equation
10,968,643.84 : 15,134,926.08 = 6,891,376 : x - Step 2: Convert to fraction form
10,968,643.84/15,134,926.08 = 6,891,376/x - Step 3: Cross multiply
10,968,643.84x = 15,134,926.08 × 6,891,376 - Step 4: Simplify right side
10,968,643.84x = 104,300,466,349,486.08 - Step 5: Solve for x
x = 104,300,466,349,486.08/10,968,643.84 - Step 6: Final answer
x = 9,508,966.46
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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.