Finding the Fourth Proportional to 7,759,924.74, 10,708,699.50 and 4,498,630.20
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Solution
The fourth proportional to 7,759,924.74, 10,708,699.50 and 4,498,630.20 is: 6,208,111.62
Step by Step Solution
- Step 1: Write the proportion equation
7,759,924.74 : 10,708,699.50 = 4,498,630.20 : x - Step 2: Convert to fraction form
7,759,924.74/10,708,699.50 = 4,498,630.20/x - Step 3: Cross multiply
7,759,924.74x = 10,708,699.50 × 4,498,630.20 - Step 4: Simplify right side
7,759,924.74x = 48,174,478,973,424.90 - Step 5: Solve for x
x = 48,174,478,973,424.90/7,759,924.74 - Step 6: Final answer
x = 6,208,111.62
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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.