Finding the Fourth Proportional to 7,184,655.74, 9,927,794.30 and 5,116,080.06
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Solution
The fourth proportional to 7,184,655.74, 9,927,794.30 and 5,116,080.06 is: 7,069,425.77
Step by Step Solution
- Step 1: Write the proportion equation
7,184,655.74 : 9,927,794.30 = 5,116,080.06 : x - Step 2: Convert to fraction form
7,184,655.74/9,927,794.30 = 5,116,080.06/x - Step 3: Cross multiply
7,184,655.74x = 9,927,794.30 × 5,116,080.06 - Step 4: Simplify right side
7,184,655.74x = 50,791,390,458,011.66 - Step 5: Solve for x
x = 50,791,390,458,011.66/7,184,655.74 - Step 6: Final answer
x = 7,069,425.77
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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.