Finding the Fourth Proportional to 7,447,547.04, 11,171,304.16 and 1,982,643.12
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Solution
The fourth proportional to 7,447,547.04, 11,171,304.16 and 1,982,643.12 is: 2,973,960.31
Step by Step Solution
- Step 1: Write the proportion equation
7,447,547.04 : 11,171,304.16 = 1,982,643.12 : x - Step 2: Convert to fraction form
7,447,547.04/11,171,304.16 = 1,982,643.12/x - Step 3: Cross multiply
7,447,547.04x = 11,171,304.16 × 1,982,643.12 - Step 4: Simplify right side
7,447,547.04x = 22,148,709,334,251.38 - Step 5: Solve for x
x = 22,148,709,334,251.38/7,447,547.04 - Step 6: Final answer
x = 2,973,960.31
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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.