Finding the Fourth Proportional to 26,130,344.74, 39,192,982.98 and 7,934,697.52
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Solution
The fourth proportional to 26,130,344.74, 39,192,982.98 and 7,934,697.52 is: 11,901,276.77
Step by Step Solution
- Step 1: Write the proportion equation
26,130,344.74 : 39,192,982.98 = 7,934,697.52 : x - Step 2: Convert to fraction form
26,130,344.74/39,192,982.98 = 7,934,697.52/x - Step 3: Cross multiply
26,130,344.74x = 39,192,982.98 × 7,934,697.52 - Step 4: Simplify right side
26,130,344.74x = 310,984,464,852,808.19 - Step 5: Solve for x
x = 310,984,464,852,808.19/26,130,344.74 - Step 6: Final answer
x = 11,901,276.77
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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.